40643480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 95904000

約数和(自身を除く): 55260520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 449, 584, 620, 730, 898, 1240, 1460, 1796, 2245, 2263, 2920, 3592, 4490, 4526, 8980, 9052, 11315, 13919, 17960, 18104, 22630, 27838, 32777, 45260, 55676, 65554, 69595, 90520, 111352, 131108, 139190, 163885, 262216, 278380, 327770, 556760, 655540, 1016087, 1311080, 2032174, 4064348, 5080435, 8128696, 10160870, 20321740, 40643480]

約数ペア:

[(1, 40643480), (2, 20321740), (4, 10160870), (5, 8128696), (8, 5080435), (10, 4064348), (20, 2032174), (31, 1311080), (40, 1016087), (62, 655540), (73, 556760), (124, 327770), (146, 278380), (155, 262216), (248, 163885), (292, 139190), (310, 131108), (365, 111352), (449, 90520), (584, 69595), (620, 65554), (730, 55676), (898, 45260), (1240, 32777), (1460, 27838), (1796, 22630), (2245, 18104), (2263, 17960), (2920, 13919), (3592, 11315), (4490, 9052), (4526, 8980)]