890325080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{5519}}^1$

素因数の和:5676

約数の個数: 64

約数和(自身を含む): 2076624000

約数和(自身を除く): 1186298920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 109, 148, 185, 218, 296, 370, 436, 545, 740, 872, 1090, 1480, 2180, 4033, 4360, 5519, 8066, 11038, 16132, 20165, 22076, 27595, 32264, 40330, 44152, 55190, 80660, 110380, 161320, 204203, 220760, 408406, 601571, 816812, 1021015, 1203142, 1633624, 2042030, 2406284, 3007855, 4084060, 4812568, 6015710, 8168120, 12031420, 22258127, 24062840, 44516254, 89032508, 111290635, 178065016, 222581270, 445162540, 890325080]

約数ペア:

[(1, 890325080), (2, 445162540), (4, 222581270), (5, 178065016), (8, 111290635), (10, 89032508), (20, 44516254), (37, 24062840), (40, 22258127), (74, 12031420), (109, 8168120), (148, 6015710), (185, 4812568), (218, 4084060), (296, 3007855), (370, 2406284), (436, 2042030), (545, 1633624), (740, 1203142), (872, 1021015), (1090, 816812), (1480, 601571), (2180, 408406), (4033, 220760), (4360, 204203), (5519, 161320), (8066, 110380), (11038, 80660), (16132, 55190), (20165, 44152), (22076, 40330), (27595, 32264)]