25429520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 62339760

約数和(自身を除く): 36910240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 97, 113, 116, 145, 194, 226, 232, 290, 388, 452, 464, 485, 565, 580, 776, 904, 970, 1130, 1160, 1552, 1808, 1940, 2260, 2320, 2813, 3277, 3880, 4520, 5626, 6554, 7760, 9040, 10961, 11252, 13108, 14065, 16385, 21922, 22504, 26216, 28130, 32770, 43844, 45008, 52432, 54805, 56260, 65540, 87688, 109610, 112520, 131080, 175376, 219220, 225040, 262160, 317869, 438440, 635738, 876880, 1271476, 1589345, 2542952, 3178690, 5085904, 6357380, 12714760, 25429520]

約数ペア:

[(1, 25429520), (2, 12714760), (4, 6357380), (5, 5085904), (8, 3178690), (10, 2542952), (16, 1589345), (20, 1271476), (29, 876880), (40, 635738), (58, 438440), (80, 317869), (97, 262160), (113, 225040), (116, 219220), (145, 175376), (194, 131080), (226, 112520), (232, 109610), (290, 87688), (388, 65540), (452, 56260), (464, 54805), (485, 52432), (565, 45008), (580, 43844), (776, 32770), (904, 28130), (970, 26216), (1130, 22504), (1160, 21922), (1552, 16385), (1808, 14065), (1940, 13108), (2260, 11252), (2320, 10961), (2813, 9040), (3277, 7760), (3880, 6554), (4520, 5626)]