3918520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{601}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 8885520

約数和(自身を除く): 4967000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 601, 652, 815, 1202, 1304, 1630, 2404, 3005, 3260, 4808, 6010, 6520, 12020, 24040, 97963, 195926, 391852, 489815, 783704, 979630, 1959260, 3918520]

約数ペア:

[(1, 3918520), (2, 1959260), (4, 979630), (5, 783704), (8, 489815), (10, 391852), (20, 195926), (40, 97963), (163, 24040), (326, 12020), (601, 6520), (652, 6010), (815, 4808), (1202, 3260), (1304, 3005), (1630, 2404)]