86455280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:606

約数の個数: 80

約数和(自身を含む): 210843648

約数和(自身を除く): 124388368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 491, 496, 568, 620, 710, 982, 1136, 1240, 1420, 1964, 2201, 2455, 2480, 2840, 3928, 4402, 4910, 5680, 7856, 8804, 9820, 11005, 15221, 17608, 19640, 22010, 30442, 34861, 35216, 39280, 44020, 60884, 69722, 76105, 88040, 121768, 139444, 152210, 174305, 176080, 243536, 278888, 304420, 348610, 557776, 608840, 697220, 1080691, 1217680, 1394440, 2161382, 2788880, 4322764, 5403455, 8645528, 10806910, 17291056, 21613820, 43227640, 86455280]

約数ペア:

[(1, 86455280), (2, 43227640), (4, 21613820), (5, 17291056), (8, 10806910), (10, 8645528), (16, 5403455), (20, 4322764), (31, 2788880), (40, 2161382), (62, 1394440), (71, 1217680), (80, 1080691), (124, 697220), (142, 608840), (155, 557776), (248, 348610), (284, 304420), (310, 278888), (355, 243536), (491, 176080), (496, 174305), (568, 152210), (620, 139444), (710, 121768), (982, 88040), (1136, 76105), (1240, 69722), (1420, 60884), (1964, 44020), (2201, 39280), (2455, 35216), (2480, 34861), (2840, 30442), (3928, 22010), (4402, 19640), (4910, 17608), (5680, 15221), (7856, 11005), (8804, 9820)]