64868120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52313}}^1$

素因数の和:52355

約数の個数: 32

約数和(自身を含む): 150664320

約数和(自身を除く): 85796200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 52313, 104626, 209252, 261565, 418504, 523130, 1046260, 1621703, 2092520, 3243406, 6486812, 8108515, 12973624, 16217030, 32434060, 64868120]

約数ペア:

[(1, 64868120), (2, 32434060), (4, 16217030), (5, 12973624), (8, 8108515), (10, 6486812), (20, 3243406), (31, 2092520), (40, 1621703), (62, 1046260), (124, 523130), (155, 418504), (248, 261565), (310, 209252), (620, 104626), (1240, 52313)]