1598920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 3654720

約数和(自身を除く): 2055800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 563, 568, 710, 1126, 1420, 2252, 2815, 2840, 4504, 5630, 11260, 22520, 39973, 79946, 159892, 199865, 319784, 399730, 799460, 1598920]

約数ペア:

[(1, 1598920), (2, 799460), (4, 399730), (5, 319784), (8, 199865), (10, 159892), (20, 79946), (40, 39973), (71, 22520), (142, 11260), (284, 5630), (355, 4504), (563, 2840), (568, 2815), (710, 2252), (1126, 1420)]