55387000

素因数分解:

$2^3\times 5^3\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 131171040

約数和(自身を除く): 75784040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 125, 194, 200, 250, 388, 485, 500, 571, 776, 970, 1000, 1142, 1940, 2284, 2425, 2855, 3880, 4568, 4850, 5710, 9700, 11420, 12125, 14275, 19400, 22840, 24250, 28550, 48500, 55387, 57100, 71375, 97000, 110774, 114200, 142750, 221548, 276935, 285500, 443096, 553870, 571000, 1107740, 1384675, 2215480, 2769350, 5538700, 6923375, 11077400, 13846750, 27693500, 55387000]

約数ペア:

[(1, 55387000), (2, 27693500), (4, 13846750), (5, 11077400), (8, 6923375), (10, 5538700), (20, 2769350), (25, 2215480), (40, 1384675), (50, 1107740), (97, 571000), (100, 553870), (125, 443096), (194, 285500), (200, 276935), (250, 221548), (388, 142750), (485, 114200), (500, 110774), (571, 97000), (776, 71375), (970, 57100), (1000, 55387), (1142, 48500), (1940, 28550), (2284, 24250), (2425, 22840), (2855, 19400), (3880, 14275), (4568, 12125), (4850, 11420), (5710, 9700)]