2019256840

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{41617}}^1$

素因数の和:42841

約数の個数: 32

約数和(自身を含む): 4547182680

約数和(自身を除く): 2527925840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 2426, 4852, 6065, 9704, 12130, 24260, 41617, 48520, 83234, 166468, 208085, 332936, 416170, 832340, 1664680, 50481421, 100962842, 201925684, 252407105, 403851368, 504814210, 1009628420, 2019256840]

約数ペア:

[(1, 2019256840), (2, 1009628420), (4, 504814210), (5, 403851368), (8, 252407105), (10, 201925684), (20, 100962842), (40, 50481421), (1213, 1664680), (2426, 832340), (4852, 416170), (6065, 332936), (9704, 208085), (12130, 166468), (24260, 83234), (41617, 48520)]