2040740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 4741632

約数和(自身を除く): 2700892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 167, 188, 235, 260, 334, 470, 611, 668, 835, 940, 1222, 1670, 2171, 2444, 3055, 3340, 4342, 6110, 7849, 8684, 10855, 12220, 15698, 21710, 31396, 39245, 43420, 78490, 102037, 156980, 204074, 408148, 510185, 1020370, 2040740]

約数ペア:

[(1, 2040740), (2, 1020370), (4, 510185), (5, 408148), (10, 204074), (13, 156980), (20, 102037), (26, 78490), (47, 43420), (52, 39245), (65, 31396), (94, 21710), (130, 15698), (167, 12220), (188, 10855), (235, 8684), (260, 7849), (334, 6110), (470, 4342), (611, 3340), (668, 3055), (835, 2444), (940, 2171), (1222, 1670)]