8650280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12721}}^1$

素因数の和:12749

約数の個数: 32

約数和(自身を含む): 20609640

約数和(自身を除く): 11959360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12721, 25442, 50884, 63605, 101768, 127210, 216257, 254420, 432514, 508840, 865028, 1081285, 1730056, 2162570, 4325140, 8650280]

約数ペア:

[(1, 8650280), (2, 4325140), (4, 2162570), (5, 1730056), (8, 1081285), (10, 865028), (17, 508840), (20, 432514), (34, 254420), (40, 216257), (68, 127210), (85, 101768), (136, 63605), (170, 50884), (340, 25442), (680, 12721)]