15859240

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{761}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 35798760

約数和(自身を除く): 19939520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 761, 1042, 1522, 2084, 2605, 3044, 3805, 4168, 5210, 6088, 7610, 10420, 15220, 20840, 30440, 396481, 792962, 1585924, 1982405, 3171848, 3964810, 7929620, 15859240]

約数ペア:

[(1, 15859240), (2, 7929620), (4, 3964810), (5, 3171848), (8, 1982405), (10, 1585924), (20, 792962), (40, 396481), (521, 30440), (761, 20840), (1042, 15220), (1522, 10420), (2084, 7610), (2605, 6088), (3044, 5210), (3805, 4168)]