53115640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1487}}^1$

素因数の和:1564

約数の個数: 64

約数和(自身を含む): 128563200

約数和(自身を除く): 75447560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1487, 1786, 1880, 2974, 3572, 4465, 5948, 7144, 7435, 8930, 11896, 14870, 17860, 28253, 29740, 35720, 56506, 59480, 69889, 113012, 139778, 141265, 226024, 279556, 282530, 349445, 559112, 565060, 698890, 1130120, 1327891, 1397780, 2655782, 2795560, 5311564, 6639455, 10623128, 13278910, 26557820, 53115640]

約数ペア:

[(1, 53115640), (2, 26557820), (4, 13278910), (5, 10623128), (8, 6639455), (10, 5311564), (19, 2795560), (20, 2655782), (38, 1397780), (40, 1327891), (47, 1130120), (76, 698890), (94, 565060), (95, 559112), (152, 349445), (188, 282530), (190, 279556), (235, 226024), (376, 141265), (380, 139778), (470, 113012), (760, 69889), (893, 59480), (940, 56506), (1487, 35720), (1786, 29740), (1880, 28253), (2974, 17860), (3572, 14870), (4465, 11896), (5948, 8930), (7144, 7435)]