9996880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 24998400

約数和(自身を除く): 15001520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 139, 145, 155, 232, 248, 278, 290, 310, 464, 496, 556, 580, 620, 695, 899, 1112, 1160, 1240, 1390, 1798, 2224, 2320, 2480, 2780, 3596, 4031, 4309, 4495, 5560, 7192, 8062, 8618, 8990, 11120, 14384, 16124, 17236, 17980, 20155, 21545, 32248, 34472, 35960, 40310, 43090, 64496, 68944, 71920, 80620, 86180, 124961, 161240, 172360, 249922, 322480, 344720, 499844, 624805, 999688, 1249610, 1999376, 2499220, 4998440, 9996880]

約数ペア:

[(1, 9996880), (2, 4998440), (4, 2499220), (5, 1999376), (8, 1249610), (10, 999688), (16, 624805), (20, 499844), (29, 344720), (31, 322480), (40, 249922), (58, 172360), (62, 161240), (80, 124961), (116, 86180), (124, 80620), (139, 71920), (145, 68944), (155, 64496), (232, 43090), (248, 40310), (278, 35960), (290, 34472), (310, 32248), (464, 21545), (496, 20155), (556, 17980), (580, 17236), (620, 16124), (695, 14384), (899, 11120), (1112, 8990), (1160, 8618), (1240, 8062), (1390, 7192), (1798, 5560), (2224, 4495), (2320, 4309), (2480, 4031), (2780, 3596)]