1653840080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{666871}}^1$

素因数の和:666915

約数の個数: 40

約数和(自身を含む): 3969222144

約数和(自身を除く): 2315382064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 666871, 1333742, 2667484, 3334355, 5334968, 6668710, 10669936, 13337420, 20673001, 26674840, 41346002, 53349680, 82692004, 103365005, 165384008, 206730010, 330768016, 413460020, 826920040, 1653840080]

約数ペア:

[(1, 1653840080), (2, 826920040), (4, 413460020), (5, 330768016), (8, 206730010), (10, 165384008), (16, 103365005), (20, 82692004), (31, 53349680), (40, 41346002), (62, 26674840), (80, 20673001), (124, 13337420), (155, 10669936), (248, 6668710), (310, 5334968), (496, 3334355), (620, 2667484), (1240, 1333742), (2480, 666871)]