8440840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12413}}^1$

素因数の和:12441

約数の個数: 32

約数和(自身を含む): 20110680

約数和(自身を除く): 11669840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12413, 24826, 49652, 62065, 99304, 124130, 211021, 248260, 422042, 496520, 844084, 1055105, 1688168, 2110210, 4220420, 8440840]

約数ペア:

[(1, 8440840), (2, 4220420), (4, 2110210), (5, 1688168), (8, 1055105), (10, 844084), (17, 496520), (20, 422042), (34, 248260), (40, 211021), (68, 124130), (85, 99304), (136, 62065), (170, 49652), (340, 24826), (680, 12413)]