15656420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60217}}^1$

素因数の和:60239

約数の個数: 24

約数和(自身を含む): 35408184

約数和(自身を除く): 19751764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 60217, 120434, 240868, 301085, 602170, 782821, 1204340, 1565642, 3131284, 3914105, 7828210, 15656420]

約数ペア:

[(1, 15656420), (2, 7828210), (4, 3914105), (5, 3131284), (10, 1565642), (13, 1204340), (20, 782821), (26, 602170), (52, 301085), (65, 240868), (130, 120434), (260, 60217)]