13238420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{863}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 30481920

約数和(自身を除く): 17243500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 863, 1180, 1534, 1726, 3068, 3452, 3835, 4315, 7670, 8630, 11219, 15340, 17260, 22438, 44876, 50917, 56095, 101834, 112190, 203668, 224380, 254585, 509170, 661921, 1018340, 1323842, 2647684, 3309605, 6619210, 13238420]

約数ペア:

[(1, 13238420), (2, 6619210), (4, 3309605), (5, 2647684), (10, 1323842), (13, 1018340), (20, 661921), (26, 509170), (52, 254585), (59, 224380), (65, 203668), (118, 112190), (130, 101834), (236, 56095), (260, 50917), (295, 44876), (590, 22438), (767, 17260), (863, 15340), (1180, 11219), (1534, 8630), (1726, 7670), (3068, 4315), (3452, 3835)]