31828240

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2083}}^1$

素因数の和:2287

約数の個数: 40

約数和(自身を含む): 74423808

約数和(自身を除く): 42595568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 2083, 3056, 3820, 4166, 7640, 8332, 10415, 15280, 16664, 20830, 33328, 41660, 83320, 166640, 397853, 795706, 1591412, 1989265, 3182824, 3978530, 6365648, 7957060, 15914120, 31828240]

約数ペア:

[(1, 31828240), (2, 15914120), (4, 7957060), (5, 6365648), (8, 3978530), (10, 3182824), (16, 1989265), (20, 1591412), (40, 795706), (80, 397853), (191, 166640), (382, 83320), (764, 41660), (955, 33328), (1528, 20830), (1910, 16664), (2083, 15280), (3056, 10415), (3820, 8332), (4166, 7640)]