123566620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4861}}^1$

素因数の和:4942

約数の個数: 48

約数和(自身を含む): 274450176

約数和(自身を除く): 150883556

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 4861, 5084, 6355, 9722, 12710, 19444, 24305, 25420, 48610, 97220, 150691, 199301, 301382, 398602, 602764, 753455, 797204, 996505, 1506910, 1993010, 3013820, 3986020, 6178331, 12356662, 24713324, 30891655, 61783310, 123566620]

約数ペア:

[(1, 123566620), (2, 61783310), (4, 30891655), (5, 24713324), (10, 12356662), (20, 6178331), (31, 3986020), (41, 3013820), (62, 1993010), (82, 1506910), (124, 996505), (155, 797204), (164, 753455), (205, 602764), (310, 398602), (410, 301382), (620, 199301), (820, 150691), (1271, 97220), (2542, 48610), (4861, 25420), (5084, 24305), (6355, 19444), (9722, 12710)]