8682920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^2$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 20870460

約数和(自身を除く): 12187540

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 113, 136, 170, 226, 340, 452, 565, 680, 904, 1130, 1921, 2260, 3842, 4520, 7684, 9605, 12769, 15368, 19210, 25538, 38420, 51076, 63845, 76840, 102152, 127690, 217073, 255380, 434146, 510760, 868292, 1085365, 1736584, 2170730, 4341460, 8682920]

約数ペア:

[(1, 8682920), (2, 4341460), (4, 2170730), (5, 1736584), (8, 1085365), (10, 868292), (17, 510760), (20, 434146), (34, 255380), (40, 217073), (68, 127690), (85, 102152), (113, 76840), (136, 63845), (170, 51076), (226, 38420), (340, 25538), (452, 19210), (565, 15368), (680, 12769), (904, 9605), (1130, 7684), (1921, 4520), (2260, 3842)]