61258840

素因数分解:

$2^3\times 5^1\times {\mathrm{953}}^1\times {\mathrm{1607}}^1$

素因数の和:2571

約数の個数: 32

約数和(自身を含む): 138062880

約数和(自身を除く): 76804040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 953, 1607, 1906, 3214, 3812, 4765, 6428, 7624, 8035, 9530, 12856, 16070, 19060, 32140, 38120, 64280, 1531471, 3062942, 6125884, 7657355, 12251768, 15314710, 30629420, 61258840]

約数ペア:

[(1, 61258840), (2, 30629420), (4, 15314710), (5, 12251768), (8, 7657355), (10, 6125884), (20, 3062942), (40, 1531471), (953, 64280), (1607, 38120), (1906, 32140), (3214, 19060), (3812, 16070), (4765, 12856), (6428, 9530), (7624, 8035)]