79957280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2957}}^1$

素因数の和:2998

約数の個数: 72

約数和(自身を含む): 204616692

約数和(自身を除く): 124659412

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, 1040, 1352, 1690, 2080, 2704, 2957, 3380, 5408, 5914, 6760, 11828, 13520, 14785, 23656, 27040, 29570, 38441, 47312, 59140, 76882, 94624, 118280, 153764, 192205, 236560, 307528, 384410, 473120, 499733, 615056, 768820, 999466, 1230112, 1537640, 1998932, 2498665, 3075280, 3997864, 4997330, 6150560, 7995728, 9994660, 15991456, 19989320, 39978640, 79957280]

約数ペア:

[(1, 79957280), (2, 39978640), (4, 19989320), (5, 15991456), (8, 9994660), (10, 7995728), (13, 6150560), (16, 4997330), (20, 3997864), (26, 3075280), (32, 2498665), (40, 1998932), (52, 1537640), (65, 1230112), (80, 999466), (104, 768820), (130, 615056), (160, 499733), (169, 473120), (208, 384410), (260, 307528), (338, 236560), (416, 192205), (520, 153764), (676, 118280), (845, 94624), (1040, 76882), (1352, 59140), (1690, 47312), (2080, 38441), (2704, 29570), (2957, 27040), (3380, 23656), (5408, 14785), (5914, 13520), (6760, 11828)]