84141800

素因数分解:

$2^3\times 5^2\times {\mathrm{257}}^1\times {\mathrm{1637}}^1$

素因数の和:1910

約数の個数: 48

約数和(自身を含む): 196510860

約数和(自身を除く): 112369060

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 257, 514, 1028, 1285, 1637, 2056, 2570, 3274, 5140, 6425, 6548, 8185, 10280, 12850, 13096, 16370, 25700, 32740, 40925, 51400, 65480, 81850, 163700, 327400, 420709, 841418, 1682836, 2103545, 3365672, 4207090, 8414180, 10517725, 16828360, 21035450, 42070900, 84141800]

約数ペア:

[(1, 84141800), (2, 42070900), (4, 21035450), (5, 16828360), (8, 10517725), (10, 8414180), (20, 4207090), (25, 3365672), (40, 2103545), (50, 1682836), (100, 841418), (200, 420709), (257, 327400), (514, 163700), (1028, 81850), (1285, 65480), (1637, 51400), (2056, 40925), (2570, 32740), (3274, 25700), (5140, 16370), (6425, 13096), (6548, 12850), (8185, 10280)]