77971360

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2039}}^1$

素因数の和:2293

約数の個数: 48

約数和(自身を含む): 185068800

約数和(自身を除く): 107097440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 956, 1195, 1912, 2039, 2390, 3824, 4078, 4780, 7648, 8156, 9560, 10195, 16312, 19120, 20390, 32624, 38240, 40780, 65248, 81560, 163120, 326240, 487321, 974642, 1949284, 2436605, 3898568, 4873210, 7797136, 9746420, 15594272, 19492840, 38985680, 77971360]

約数ペア:

[(1, 77971360), (2, 38985680), (4, 19492840), (5, 15594272), (8, 9746420), (10, 7797136), (16, 4873210), (20, 3898568), (32, 2436605), (40, 1949284), (80, 974642), (160, 487321), (239, 326240), (478, 163120), (956, 81560), (1195, 65248), (1912, 40780), (2039, 38240), (2390, 32624), (3824, 20390), (4078, 19120), (4780, 16312), (7648, 10195), (8156, 9560)]