86974360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2221}}^1$

素因数の和:2332

約数の個数: 64

約数和(自身を含む): 215978400

約数和(自身を除く): 129004040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 2221, 3560, 3916, 4442, 4895, 7832, 8884, 9790, 11105, 17768, 19580, 22210, 24431, 39160, 44420, 48862, 88840, 97724, 122155, 195448, 197669, 244310, 395338, 488620, 790676, 977240, 988345, 1581352, 1976690, 2174359, 3953380, 4348718, 7906760, 8697436, 10871795, 17394872, 21743590, 43487180, 86974360]

約数ペア:

[(1, 86974360), (2, 43487180), (4, 21743590), (5, 17394872), (8, 10871795), (10, 8697436), (11, 7906760), (20, 4348718), (22, 3953380), (40, 2174359), (44, 1976690), (55, 1581352), (88, 988345), (89, 977240), (110, 790676), (178, 488620), (220, 395338), (356, 244310), (440, 197669), (445, 195448), (712, 122155), (890, 97724), (979, 88840), (1780, 48862), (1958, 44420), (2221, 39160), (3560, 24431), (3916, 22210), (4442, 19580), (4895, 17768), (7832, 11105), (8884, 9790)]