25444640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{941}}^1$

素因数の和:982

約数の個数: 72

約数和(自身を含む): 65161908

約数和(自身を除く): 39717268

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 941, 1040, 1352, 1690, 1882, 2080, 2704, 3380, 3764, 4705, 5408, 6760, 7528, 9410, 12233, 13520, 15056, 18820, 24466, 27040, 30112, 37640, 48932, 61165, 75280, 97864, 122330, 150560, 159029, 195728, 244660, 318058, 391456, 489320, 636116, 795145, 978640, 1272232, 1590290, 1957280, 2544464, 3180580, 5088928, 6361160, 12722320, 25444640]

約数ペア:

[(1, 25444640), (2, 12722320), (4, 6361160), (5, 5088928), (8, 3180580), (10, 2544464), (13, 1957280), (16, 1590290), (20, 1272232), (26, 978640), (32, 795145), (40, 636116), (52, 489320), (65, 391456), (80, 318058), (104, 244660), (130, 195728), (160, 159029), (169, 150560), (208, 122330), (260, 97864), (338, 75280), (416, 61165), (520, 48932), (676, 37640), (845, 30112), (941, 27040), (1040, 24466), (1352, 18820), (1690, 15056), (1882, 13520), (2080, 12233), (2704, 9410), (3380, 7528), (3764, 6760), (4705, 5408)]