72860740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{40933}}^1$

素因数の和:41031

約数の個数: 24

約数和(自身を含む): 154730520

約数和(自身を除く): 81869780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 40933, 81866, 163732, 204665, 409330, 818660, 3643037, 7286074, 14572148, 18215185, 36430370, 72860740]

約数ペア:

[(1, 72860740), (2, 36430370), (4, 18215185), (5, 14572148), (10, 7286074), (20, 3643037), (89, 818660), (178, 409330), (356, 204665), (445, 163732), (890, 81866), (1780, 40933)]