816425920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{82301}}^1$

素因数の和:82349

約数の個数: 56

約数和(自身を含む): 2006851968

約数和(自身を除く): 1190426048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 82301, 164602, 329204, 411505, 658408, 823010, 1316816, 1646020, 2551331, 2633632, 3292040, 5102662, 5267264, 6584080, 10205324, 12756655, 13168160, 20410648, 25513310, 26336320, 40821296, 51026620, 81642592, 102053240, 163285184, 204106480, 408212960, 816425920]

約数ペア:

[(1, 816425920), (2, 408212960), (4, 204106480), (5, 163285184), (8, 102053240), (10, 81642592), (16, 51026620), (20, 40821296), (31, 26336320), (32, 25513310), (40, 20410648), (62, 13168160), (64, 12756655), (80, 10205324), (124, 6584080), (155, 5267264), (160, 5102662), (248, 3292040), (310, 2633632), (320, 2551331), (496, 1646020), (620, 1316816), (992, 823010), (1240, 658408), (1984, 411505), (2480, 329204), (4960, 164602), (9920, 82301)]