64116680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1854

約数の個数: 64

約数和(自身を含む): 154137600

約数和(自身を除く): 90020920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1783, 1798, 3566, 3596, 4495, 7132, 7192, 8915, 8990, 14264, 17830, 17980, 35660, 35960, 51707, 55273, 71320, 103414, 110546, 206828, 221092, 258535, 276365, 413656, 442184, 517070, 552730, 1034140, 1105460, 1602917, 2068280, 2210920, 3205834, 6411668, 8014585, 12823336, 16029170, 32058340, 64116680]

約数ペア:

[(1, 64116680), (2, 32058340), (4, 16029170), (5, 12823336), (8, 8014585), (10, 6411668), (20, 3205834), (29, 2210920), (31, 2068280), (40, 1602917), (58, 1105460), (62, 1034140), (116, 552730), (124, 517070), (145, 442184), (155, 413656), (232, 276365), (248, 258535), (290, 221092), (310, 206828), (580, 110546), (620, 103414), (899, 71320), (1160, 55273), (1240, 51707), (1783, 35960), (1798, 35660), (3566, 17980), (3596, 17830), (4495, 14264), (7132, 8990), (7192, 8915)]