100394120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80963}}^1$

素因数の和:81005

約数の個数: 32

約数和(自身を含む): 233176320

約数和(自身を除く): 132782200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 80963, 161926, 323852, 404815, 647704, 809630, 1619260, 2509853, 3238520, 5019706, 10039412, 12549265, 20078824, 25098530, 50197060, 100394120]

約数ペア:

[(1, 100394120), (2, 50197060), (4, 25098530), (5, 20078824), (8, 12549265), (10, 10039412), (20, 5019706), (31, 3238520), (40, 2509853), (62, 1619260), (124, 809630), (155, 647704), (248, 404815), (310, 323852), (620, 161926), (1240, 80963)]