1018040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 2367360

約数和(自身を除く): 1349320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 821, 1240, 1642, 3284, 4105, 6568, 8210, 16420, 25451, 32840, 50902, 101804, 127255, 203608, 254510, 509020, 1018040]

約数ペア:

[(1, 1018040), (2, 509020), (4, 254510), (5, 203608), (8, 127255), (10, 101804), (20, 50902), (31, 32840), (40, 25451), (62, 16420), (124, 8210), (155, 6568), (248, 4105), (310, 3284), (620, 1642), (821, 1240)]