8489980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6959}}^1$

素因数の和:7029

約数の個数: 24

約数和(自身を含む): 18123840

約数和(自身を除く): 9633860

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 6959, 13918, 27836, 34795, 69590, 139180, 424499, 848998, 1697996, 2122495, 4244990, 8489980]

約数ペア:

[(1, 8489980), (2, 4244990), (4, 2122495), (5, 1697996), (10, 848998), (20, 424499), (61, 139180), (122, 69590), (244, 34795), (305, 27836), (610, 13918), (1220, 6959)]