80937250

素因数分解:

$2^1\times 5^3\times {\mathrm{421}}^1\times {\mathrm{769}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 152071920

約数和(自身を除く): 71134670

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 421, 769, 842, 1538, 2105, 3845, 4210, 7690, 10525, 19225, 21050, 38450, 52625, 96125, 105250, 192250, 323749, 647498, 1618745, 3237490, 8093725, 16187450, 40468625, 80937250]

約数ペア:

[(1, 80937250), (2, 40468625), (5, 16187450), (10, 8093725), (25, 3237490), (50, 1618745), (125, 647498), (250, 323749), (421, 192250), (769, 105250), (842, 96125), (1538, 52625), (2105, 38450), (3845, 21050), (4210, 19225), (7690, 10525)]