25408640

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 64581300

約数和(自身を除く): 39172660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 64, 74, 80, 116, 128, 145, 148, 160, 185, 232, 290, 296, 320, 370, 464, 580, 592, 640, 740, 928, 1073, 1160, 1184, 1369, 1480, 1856, 2146, 2320, 2368, 2738, 2960, 3712, 4292, 4640, 4736, 5365, 5476, 5920, 6845, 8584, 9280, 10730, 10952, 11840, 13690, 17168, 18560, 21460, 21904, 23680, 27380, 34336, 39701, 42920, 43808, 54760, 68672, 79402, 85840, 87616, 109520, 137344, 158804, 171680, 175232, 198505, 219040, 317608, 343360, 397010, 438080, 635216, 686720, 794020, 876160, 1270432, 1588040, 2540864, 3176080, 5081728, 6352160, 12704320, 25408640]

約数ペア:

[(1, 25408640), (2, 12704320), (4, 6352160), (5, 5081728), (8, 3176080), (10, 2540864), (16, 1588040), (20, 1270432), (29, 876160), (32, 794020), (37, 686720), (40, 635216), (58, 438080), (64, 397010), (74, 343360), (80, 317608), (116, 219040), (128, 198505), (145, 175232), (148, 171680), (160, 158804), (185, 137344), (232, 109520), (290, 87616), (296, 85840), (320, 79402), (370, 68672), (464, 54760), (580, 43808), (592, 42920), (640, 39701), (740, 34336), (928, 27380), (1073, 23680), (1160, 21904), (1184, 21460), (1369, 18560), (1480, 17168), (1856, 13690), (2146, 11840), (2320, 10952), (2368, 10730), (2738, 9280), (2960, 8584), (3712, 6845), (4292, 5920), (4640, 5476), (4736, 5365)]