90390880

素因数分解:

$2^5\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2467}}^1$

素因数の和:2711

約数の個数: 48

約数和(自身を含む): 214567920

約数和(自身を除く): 124177040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 229, 458, 916, 1145, 1832, 2290, 2467, 3664, 4580, 4934, 7328, 9160, 9868, 12335, 18320, 19736, 24670, 36640, 39472, 49340, 78944, 98680, 197360, 394720, 564943, 1129886, 2259772, 2824715, 4519544, 5649430, 9039088, 11298860, 18078176, 22597720, 45195440, 90390880]

約数ペア:

[(1, 90390880), (2, 45195440), (4, 22597720), (5, 18078176), (8, 11298860), (10, 9039088), (16, 5649430), (20, 4519544), (32, 2824715), (40, 2259772), (80, 1129886), (160, 564943), (229, 394720), (458, 197360), (916, 98680), (1145, 78944), (1832, 49340), (2290, 39472), (2467, 36640), (3664, 24670), (4580, 19736), (4934, 18320), (7328, 12335), (9160, 9868)]