8221880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 19945440

約数和(自身を除く): 11723560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 107, 113, 136, 170, 214, 226, 340, 428, 452, 535, 565, 680, 856, 904, 1070, 1130, 1819, 1921, 2140, 2260, 3638, 3842, 4280, 4520, 7276, 7684, 9095, 9605, 12091, 14552, 15368, 18190, 19210, 24182, 36380, 38420, 48364, 60455, 72760, 76840, 96728, 120910, 205547, 241820, 411094, 483640, 822188, 1027735, 1644376, 2055470, 4110940, 8221880]

約数ペア:

[(1, 8221880), (2, 4110940), (4, 2055470), (5, 1644376), (8, 1027735), (10, 822188), (17, 483640), (20, 411094), (34, 241820), (40, 205547), (68, 120910), (85, 96728), (107, 76840), (113, 72760), (136, 60455), (170, 48364), (214, 38420), (226, 36380), (340, 24182), (428, 19210), (452, 18190), (535, 15368), (565, 14552), (680, 12091), (856, 9605), (904, 9095), (1070, 7684), (1130, 7276), (1819, 4520), (1921, 4280), (2140, 3842), (2260, 3638)]