8352440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 20295360

約数和(自身を除く): 11942920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 173, 284, 340, 346, 355, 568, 680, 692, 710, 865, 1207, 1384, 1420, 1730, 2414, 2840, 2941, 3460, 4828, 5882, 6035, 6920, 9656, 11764, 12070, 12283, 14705, 23528, 24140, 24566, 29410, 48280, 49132, 58820, 61415, 98264, 117640, 122830, 208811, 245660, 417622, 491320, 835244, 1044055, 1670488, 2088110, 4176220, 8352440]

約数ペア:

[(1, 8352440), (2, 4176220), (4, 2088110), (5, 1670488), (8, 1044055), (10, 835244), (17, 491320), (20, 417622), (34, 245660), (40, 208811), (68, 122830), (71, 117640), (85, 98264), (136, 61415), (142, 58820), (170, 49132), (173, 48280), (284, 29410), (340, 24566), (346, 24140), (355, 23528), (568, 14705), (680, 12283), (692, 12070), (710, 11764), (865, 9656), (1207, 6920), (1384, 6035), (1420, 5882), (1730, 4828), (2414, 3460), (2840, 2941)]