79975040

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 205632000

約数和(自身を除く): 125656960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 128, 139, 145, 155, 160, 232, 248, 278, 290, 310, 320, 464, 496, 556, 580, 620, 640, 695, 899, 928, 992, 1112, 1160, 1240, 1390, 1798, 1856, 1984, 2224, 2320, 2480, 2780, 3596, 3712, 3968, 4031, 4309, 4448, 4495, 4640, 4960, 5560, 7192, 8062, 8618, 8896, 8990, 9280, 9920, 11120, 14384, 16124, 17236, 17792, 17980, 18560, 19840, 20155, 21545, 22240, 28768, 32248, 34472, 35960, 40310, 43090, 44480, 57536, 64496, 68944, 71920, 80620, 86180, 88960, 115072, 124961, 128992, 137888, 143840, 161240, 172360, 249922, 257984, 275776, 287680, 322480, 344720, 499844, 515968, 551552, 575360, 624805, 644960, 689440, 999688, 1249610, 1289920, 1378880, 1999376, 2499220, 2579840, 2757760, 3998752, 4998440, 7997504, 9996880, 15995008, 19993760, 39987520, 79975040]

約数ペア:

[(1, 79975040), (2, 39987520), (4, 19993760), (5, 15995008), (8, 9996880), (10, 7997504), (16, 4998440), (20, 3998752), (29, 2757760), (31, 2579840), (32, 2499220), (40, 1999376), (58, 1378880), (62, 1289920), (64, 1249610), (80, 999688), (116, 689440), (124, 644960), (128, 624805), (139, 575360), (145, 551552), (155, 515968), (160, 499844), (232, 344720), (248, 322480), (278, 287680), (290, 275776), (310, 257984), (320, 249922), (464, 172360), (496, 161240), (556, 143840), (580, 137888), (620, 128992), (640, 124961), (695, 115072), (899, 88960), (928, 86180), (992, 80620), (1112, 71920), (1160, 68944), (1240, 64496), (1390, 57536), (1798, 44480), (1856, 43090), (1984, 40310), (2224, 35960), (2320, 34472), (2480, 32248), (2780, 28768), (3596, 22240), (3712, 21545), (3968, 20155), (4031, 19840), (4309, 18560), (4448, 17980), (4495, 17792), (4640, 17236), (4960, 16124), (5560, 14384), (7192, 11120), (8062, 9920), (8618, 9280), (8896, 8990)]