64124120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51713}}^1$

素因数の和:51755

約数の個数: 32

約数和(自身を含む): 148936320

約数和(自身を除く): 84812200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 51713, 103426, 206852, 258565, 413704, 517130, 1034260, 1603103, 2068520, 3206206, 6412412, 8015515, 12824824, 16031030, 32062060, 64124120]

約数ペア:

[(1, 64124120), (2, 32062060), (4, 16031030), (5, 12824824), (8, 8015515), (10, 6412412), (20, 3206206), (31, 2068520), (40, 1603103), (62, 1034260), (124, 517130), (155, 413704), (248, 258565), (310, 206852), (620, 103426), (1240, 51713)]