129736240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52313}}^1$

素因数の和:52357

約数の個数: 40

約数和(自身を含む): 311372928

約数和(自身を除く): 181636688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 52313, 104626, 209252, 261565, 418504, 523130, 837008, 1046260, 1621703, 2092520, 3243406, 4185040, 6486812, 8108515, 12973624, 16217030, 25947248, 32434060, 64868120, 129736240]

約数ペア:

[(1, 129736240), (2, 64868120), (4, 32434060), (5, 25947248), (8, 16217030), (10, 12973624), (16, 8108515), (20, 6486812), (31, 4185040), (40, 3243406), (62, 2092520), (80, 1621703), (124, 1046260), (155, 837008), (248, 523130), (310, 418504), (496, 261565), (620, 209252), (1240, 104626), (2480, 52313)]