25358320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 65308320

約数和(自身を除く): 39950000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 659, 740, 962, 1040, 1318, 1480, 1924, 2405, 2636, 2960, 3295, 3848, 4810, 5272, 6590, 7696, 8567, 9620, 10544, 13180, 17134, 19240, 24383, 26360, 34268, 38480, 42835, 48766, 52720, 68536, 85670, 97532, 121915, 137072, 171340, 195064, 243830, 316979, 342680, 390128, 487660, 633958, 685360, 975320, 1267916, 1584895, 1950640, 2535832, 3169790, 5071664, 6339580, 12679160, 25358320]

約数ペア:

[(1, 25358320), (2, 12679160), (4, 6339580), (5, 5071664), (8, 3169790), (10, 2535832), (13, 1950640), (16, 1584895), (20, 1267916), (26, 975320), (37, 685360), (40, 633958), (52, 487660), (65, 390128), (74, 342680), (80, 316979), (104, 243830), (130, 195064), (148, 171340), (185, 137072), (208, 121915), (260, 97532), (296, 85670), (370, 68536), (481, 52720), (520, 48766), (592, 42835), (659, 38480), (740, 34268), (962, 26360), (1040, 24383), (1318, 19240), (1480, 17134), (1924, 13180), (2405, 10544), (2636, 9620), (2960, 8567), (3295, 7696), (3848, 6590), (4810, 5272)]