1920921320

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{78341}}^1$

素因数の和:78965

約数の個数: 32

約数和(自身を含む): 4329178920

約数和(自身を除く): 2408257600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 4904, 6130, 12260, 24520, 78341, 156682, 313364, 391705, 626728, 783410, 1566820, 3133640, 48023033, 96046066, 192092132, 240115165, 384184264, 480230330, 960460660, 1920921320]

約数ペア:

[(1, 1920921320), (2, 960460660), (4, 480230330), (5, 384184264), (8, 240115165), (10, 192092132), (20, 96046066), (40, 48023033), (613, 3133640), (1226, 1566820), (2452, 783410), (3065, 626728), (4904, 391705), (6130, 313364), (12260, 156682), (24520, 78341)]