80264080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1184

約数の個数: 80

約数和(自身を含む): 203986944

約数和(自身を除く): 123722864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1087, 1136, 1420, 1846, 2174, 2840, 3692, 4348, 4615, 5435, 5680, 7384, 8696, 9230, 10870, 14131, 14768, 17392, 18460, 21740, 28262, 36920, 43480, 56524, 70655, 73840, 77177, 86960, 113048, 141310, 154354, 226096, 282620, 308708, 385885, 565240, 617416, 771770, 1003301, 1130480, 1234832, 1543540, 2006602, 3087080, 4013204, 5016505, 6174160, 8026408, 10033010, 16052816, 20066020, 40132040, 80264080]

約数ペア:

[(1, 80264080), (2, 40132040), (4, 20066020), (5, 16052816), (8, 10033010), (10, 8026408), (13, 6174160), (16, 5016505), (20, 4013204), (26, 3087080), (40, 2006602), (52, 1543540), (65, 1234832), (71, 1130480), (80, 1003301), (104, 771770), (130, 617416), (142, 565240), (208, 385885), (260, 308708), (284, 282620), (355, 226096), (520, 154354), (568, 141310), (710, 113048), (923, 86960), (1040, 77177), (1087, 73840), (1136, 70655), (1420, 56524), (1846, 43480), (2174, 36920), (2840, 28262), (3692, 21740), (4348, 18460), (4615, 17392), (5435, 14768), (5680, 14131), (7384, 10870), (8696, 9230)]