20139713507420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{308607317}}^1$

素因数の和:308607590

約数の個数: 48

約数和(自身を含む): 45728197951968

約数和(自身を除く): 25588484444548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 251, 260, 502, 1004, 1255, 2510, 3263, 5020, 6526, 13052, 16315, 32630, 65260, 308607317, 617214634, 1234429268, 1543036585, 3086073170, 4011895121, 6172146340, 8023790242, 16047580484, 20059475605, 40118951210, 77460436567, 80237902420, 154920873134, 309841746268, 387302182835, 774604365670, 1006985675371, 1549208731340, 2013971350742, 4027942701484, 5034928376855, 10069856753710, 20139713507420]

約数ペア:

[(1, 20139713507420), (2, 10069856753710), (4, 5034928376855), (5, 4027942701484), (10, 2013971350742), (13, 1549208731340), (20, 1006985675371), (26, 774604365670), (52, 387302182835), (65, 309841746268), (130, 154920873134), (251, 80237902420), (260, 77460436567), (502, 40118951210), (1004, 20059475605), (1255, 16047580484), (2510, 8023790242), (3263, 6172146340), (5020, 4011895121), (6526, 3086073170), (13052, 1543036585), (16315, 1234429268), (32630, 617214634), (65260, 308607317)]