38985680

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2039}}^1$

素因数の和:2291

約数の個数: 40

約数和(自身を含む): 91065600

約数和(自身を除く): 52079920

約数列:

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

約数ペア:

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