2501227760

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{2087}}^1$

素因数の和:2382

約数の個数: 80

約数和(自身を含む): 5928049152

約数和(自身を除く): 3426821392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 211, 284, 355, 422, 568, 710, 844, 1055, 1136, 1420, 1688, 2087, 2110, 2840, 3376, 4174, 4220, 5680, 8348, 8440, 10435, 14981, 16696, 16880, 20870, 29962, 33392, 41740, 59924, 74905, 83480, 119848, 148177, 149810, 166960, 239696, 296354, 299620, 440357, 592708, 599240, 740885, 880714, 1185416, 1198480, 1481770, 1761428, 2201785, 2370832, 2963540, 3522856, 4403570, 5927080, 7045712, 8807140, 11854160, 17614280, 31265347, 35228560, 62530694, 125061388, 156326735, 250122776, 312653470, 500245552, 625306940, 1250613880, 2501227760]

約数ペア:

[(1, 2501227760), (2, 1250613880), (4, 625306940), (5, 500245552), (8, 312653470), (10, 250122776), (16, 156326735), (20, 125061388), (40, 62530694), (71, 35228560), (80, 31265347), (142, 17614280), (211, 11854160), (284, 8807140), (355, 7045712), (422, 5927080), (568, 4403570), (710, 3522856), (844, 2963540), (1055, 2370832), (1136, 2201785), (1420, 1761428), (1688, 1481770), (2087, 1198480), (2110, 1185416), (2840, 880714), (3376, 740885), (4174, 599240), (4220, 592708), (5680, 440357), (8348, 299620), (8440, 296354), (10435, 239696), (14981, 166960), (16696, 149810), (16880, 148177), (20870, 119848), (29962, 83480), (33392, 74905), (41740, 59924)]