80716970

素因数分解:

$2^1\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{4273}}^1$

素因数の和:6169

約数の個数: 16

約数和(自身を含む): 145401480

約数和(自身を除く): 64684510

約数列:

[1, 2, 5, 10, 1889, 3778, 4273, 8546, 9445, 18890, 21365, 42730, 8071697, 16143394, 40358485, 80716970]

約数ペア:

[(1, 80716970), (2, 40358485), (5, 16143394), (10, 8071697), (1889, 42730), (3778, 21365), (4273, 18890), (8546, 9445)]