100440980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122489}}^1$

素因数の和:122539

約数の個数: 24

約数和(自身を含む): 216072360

約数和(自身を除く): 115631380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 122489, 244978, 489956, 612445, 1224890, 2449780, 5022049, 10044098, 20088196, 25110245, 50220490, 100440980]

約数ペア:

[(1, 100440980), (2, 50220490), (4, 25110245), (5, 20088196), (10, 10044098), (20, 5022049), (41, 2449780), (82, 1224890), (164, 612445), (205, 489956), (410, 244978), (820, 122489)]