20077492040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{75787}}^1$

素因数の和:76014

約数の個数: 64

約数和(自身を含む): 46655092800

約数和(自身を除く): 26577600760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 179, 185, 296, 358, 370, 716, 740, 895, 1432, 1480, 1790, 3580, 6623, 7160, 13246, 26492, 33115, 52984, 66230, 75787, 132460, 151574, 264920, 303148, 378935, 606296, 757870, 1515740, 2804119, 3031480, 5608238, 11216476, 13565873, 14020595, 22432952, 27131746, 28041190, 54263492, 56082380, 67829365, 108526984, 112164760, 135658730, 271317460, 501937301, 542634920, 1003874602, 2007749204, 2509686505, 4015498408, 5019373010, 10038746020, 20077492040]

約数ペア:

[(1, 20077492040), (2, 10038746020), (4, 5019373010), (5, 4015498408), (8, 2509686505), (10, 2007749204), (20, 1003874602), (37, 542634920), (40, 501937301), (74, 271317460), (148, 135658730), (179, 112164760), (185, 108526984), (296, 67829365), (358, 56082380), (370, 54263492), (716, 28041190), (740, 27131746), (895, 22432952), (1432, 14020595), (1480, 13565873), (1790, 11216476), (3580, 5608238), (6623, 3031480), (7160, 2804119), (13246, 1515740), (26492, 757870), (33115, 606296), (52984, 378935), (66230, 303148), (75787, 264920), (132460, 151574)]