86403820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139361}}^1$

素因数の和:139401

約数の個数: 24

約数和(自身を含む): 187302528

約数和(自身を除く): 100898708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 139361, 278722, 557444, 696805, 1393610, 2787220, 4320191, 8640382, 17280764, 21600955, 43201910, 86403820]

約数ペア:

[(1, 86403820), (2, 43201910), (4, 21600955), (5, 17280764), (10, 8640382), (20, 4320191), (31, 2787220), (62, 1393610), (124, 696805), (155, 557444), (310, 278722), (620, 139361)]