15996250

素因数分解:

$2^1\times 5^4\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 40

約数和(自身を含む): 30590208

約数和(自身を除く): 14593958

約数列:

[1, 2, 5, 10, 25, 50, 67, 125, 134, 191, 250, 335, 382, 625, 670, 955, 1250, 1675, 1910, 3350, 4775, 8375, 9550, 12797, 16750, 23875, 25594, 41875, 47750, 63985, 83750, 119375, 127970, 238750, 319925, 639850, 1599625, 3199250, 7998125, 15996250]

約数ペア:

[(1, 15996250), (2, 7998125), (5, 3199250), (10, 1599625), (25, 639850), (50, 319925), (67, 238750), (125, 127970), (134, 119375), (191, 83750), (250, 63985), (335, 47750), (382, 41875), (625, 25594), (670, 23875), (955, 16750), (1250, 12797), (1675, 9550), (1910, 8375), (3350, 4775)]