2218040080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{894371}}^1$

素因数の和:894415

約数の個数: 40

約数和(自身を含む): 5323302144

約数和(自身を除く): 3105262064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 894371, 1788742, 3577484, 4471855, 7154968, 8943710, 14309936, 17887420, 27725501, 35774840, 55451002, 71549680, 110902004, 138627505, 221804008, 277255010, 443608016, 554510020, 1109020040, 2218040080]

約数ペア:

[(1, 2218040080), (2, 1109020040), (4, 554510020), (5, 443608016), (8, 277255010), (10, 221804008), (16, 138627505), (20, 110902004), (31, 71549680), (40, 55451002), (62, 35774840), (80, 27725501), (124, 17887420), (155, 14309936), (248, 8943710), (310, 7154968), (496, 4471855), (620, 3577484), (1240, 1788742), (2480, 894371)]