40730215

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 52784352

約数和(自身を除く): 12054137

約数列:

[1, 5, 17, 71, 85, 289, 355, 397, 1207, 1445, 1985, 6035, 6749, 20519, 28187, 33745, 102595, 114733, 140935, 479179, 573665, 2395895, 8146043, 40730215]

約数ペア:

[(1, 40730215), (5, 8146043), (17, 2395895), (71, 573665), (85, 479179), (289, 140935), (355, 114733), (397, 102595), (1207, 33745), (1445, 28187), (1985, 20519), (6035, 6749)]