814967680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41077}}^1$

素因数の和:41127

約数の個数: 64

約数和(自身を含む): 2011178880

約数和(自身を除く): 1196211200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 41077, 82154, 164308, 205385, 328616, 410770, 657232, 821540, 1273387, 1314464, 1643080, 2546774, 2628928, 3286160, 5093548, 5257856, 6366935, 6572320, 10187096, 12733870, 13144640, 20374192, 25467740, 26289280, 40748384, 50935480, 81496768, 101870960, 162993536, 203741920, 407483840, 814967680]

約数ペア:

[(1, 814967680), (2, 407483840), (4, 203741920), (5, 162993536), (8, 101870960), (10, 81496768), (16, 50935480), (20, 40748384), (31, 26289280), (32, 25467740), (40, 20374192), (62, 13144640), (64, 12733870), (80, 10187096), (124, 6572320), (128, 6366935), (155, 5257856), (160, 5093548), (248, 3286160), (310, 2628928), (320, 2546774), (496, 1643080), (620, 1314464), (640, 1273387), (992, 821540), (1240, 657232), (1984, 410770), (2480, 328616), (3968, 205385), (4960, 164308), (9920, 82154), (19840, 41077)]