77536420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4451}}^1$

素因数の和:4540

約数の個数: 48

約数和(自身を含む): 178008768

約数和(自身を除く): 100472348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 4451, 8710, 8902, 17420, 17804, 22255, 44510, 57863, 89020, 115726, 231452, 289315, 298217, 578630, 596434, 1157260, 1192868, 1491085, 2982170, 3876821, 5964340, 7753642, 15507284, 19384105, 38768210, 77536420]

約数ペア:

[(1, 77536420), (2, 38768210), (4, 19384105), (5, 15507284), (10, 7753642), (13, 5964340), (20, 3876821), (26, 2982170), (52, 1491085), (65, 1192868), (67, 1157260), (130, 596434), (134, 578630), (260, 298217), (268, 289315), (335, 231452), (670, 115726), (871, 89020), (1340, 57863), (1742, 44510), (3484, 22255), (4355, 17804), (4451, 17420), (8710, 8902)]