87249560

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 201096000

約数和(自身を除く): 113846440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 113, 194, 199, 226, 388, 398, 452, 485, 565, 776, 796, 904, 970, 995, 1130, 1592, 1940, 1990, 2260, 3880, 3980, 4520, 7960, 10961, 19303, 21922, 22487, 38606, 43844, 44974, 54805, 77212, 87688, 89948, 96515, 109610, 112435, 154424, 179896, 193030, 219220, 224870, 386060, 438440, 449740, 772120, 899480, 2181239, 4362478, 8724956, 10906195, 17449912, 21812390, 43624780, 87249560]

約数ペア:

[(1, 87249560), (2, 43624780), (4, 21812390), (5, 17449912), (8, 10906195), (10, 8724956), (20, 4362478), (40, 2181239), (97, 899480), (113, 772120), (194, 449740), (199, 438440), (226, 386060), (388, 224870), (398, 219220), (452, 193030), (485, 179896), (565, 154424), (776, 112435), (796, 109610), (904, 96515), (970, 89948), (995, 87688), (1130, 77212), (1592, 54805), (1940, 44974), (1990, 43844), (2260, 38606), (3880, 22487), (3980, 21922), (4520, 19303), (7960, 10961)]