26640160

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 67060224

約数和(自身を除く): 40420064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 80, 82, 124, 131, 155, 160, 164, 205, 248, 262, 310, 328, 410, 496, 524, 620, 655, 656, 820, 992, 1048, 1240, 1271, 1310, 1312, 1640, 2096, 2480, 2542, 2620, 3280, 4061, 4192, 4960, 5084, 5240, 5371, 6355, 6560, 8122, 10168, 10480, 10742, 12710, 16244, 20305, 20336, 20960, 21484, 25420, 26855, 32488, 40610, 40672, 42968, 50840, 53710, 64976, 81220, 85936, 101680, 107420, 129952, 162440, 166501, 171872, 203360, 214840, 324880, 333002, 429680, 649760, 666004, 832505, 859360, 1332008, 1665010, 2664016, 3330020, 5328032, 6660040, 13320080, 26640160]

約数ペア:

[(1, 26640160), (2, 13320080), (4, 6660040), (5, 5328032), (8, 3330020), (10, 2664016), (16, 1665010), (20, 1332008), (31, 859360), (32, 832505), (40, 666004), (41, 649760), (62, 429680), (80, 333002), (82, 324880), (124, 214840), (131, 203360), (155, 171872), (160, 166501), (164, 162440), (205, 129952), (248, 107420), (262, 101680), (310, 85936), (328, 81220), (410, 64976), (496, 53710), (524, 50840), (620, 42968), (655, 40672), (656, 40610), (820, 32488), (992, 26855), (1048, 25420), (1240, 21484), (1271, 20960), (1310, 20336), (1312, 20305), (1640, 16244), (2096, 12710), (2480, 10742), (2542, 10480), (2620, 10168), (3280, 8122), (4061, 6560), (4192, 6355), (4960, 5371), (5084, 5240)]