25990483840

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{7561}}^1$

素因数の和:7752

約数の個数: 128

約数和(自身を含む): 64143303840

約数和(自身を除く): 38152820000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 131, 160, 164, 205, 262, 320, 328, 410, 524, 640, 655, 656, 820, 1048, 1310, 1312, 1640, 2096, 2620, 2624, 3280, 4192, 5240, 5248, 5371, 6560, 7561, 8384, 10480, 10742, 13120, 15122, 16768, 20960, 21484, 26240, 26855, 30244, 37805, 41920, 42968, 53710, 60488, 75610, 83840, 85936, 107420, 120976, 151220, 171872, 214840, 241952, 302440, 310001, 343744, 429680, 483904, 604880, 620002, 687488, 859360, 967808, 990491, 1209760, 1240004, 1550005, 1718720, 1980982, 2419520, 2480008, 3100010, 3437440, 3961964, 4839040, 4952455, 4960016, 6200020, 7923928, 9904910, 9920032, 12400040, 15847856, 19809820, 19840064, 24800080, 31695712, 39619640, 39680128, 40610131, 49600160, 63391424, 79239280, 81220262, 99200320, 126782848, 158478560, 162440524, 198400640, 203050655, 316957120, 324881048, 406101310, 633914240, 649762096, 812202620, 1299524192, 1624405240, 2599048384, 3248810480, 5198096768, 6497620960, 12995241920, 25990483840]

約数ペア:

[(1, 25990483840), (2, 12995241920), (4, 6497620960), (5, 5198096768), (8, 3248810480), (10, 2599048384), (16, 1624405240), (20, 1299524192), (32, 812202620), (40, 649762096), (41, 633914240), (64, 406101310), (80, 324881048), (82, 316957120), (128, 203050655), (131, 198400640), (160, 162440524), (164, 158478560), (205, 126782848), (262, 99200320), (320, 81220262), (328, 79239280), (410, 63391424), (524, 49600160), (640, 40610131), (655, 39680128), (656, 39619640), (820, 31695712), (1048, 24800080), (1310, 19840064), (1312, 19809820), (1640, 15847856), (2096, 12400040), (2620, 9920032), (2624, 9904910), (3280, 7923928), (4192, 6200020), (5240, 4960016), (5248, 4952455), (5371, 4839040), (6560, 3961964), (7561, 3437440), (8384, 3100010), (10480, 2480008), (10742, 2419520), (13120, 1980982), (15122, 1718720), (16768, 1550005), (20960, 1240004), (21484, 1209760), (26240, 990491), (26855, 967808), (30244, 859360), (37805, 687488), (41920, 620002), (42968, 604880), (53710, 483904), (60488, 429680), (75610, 343744), (83840, 310001), (85936, 302440), (107420, 241952), (120976, 214840), (151220, 171872)]