64644550

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 125273232

約数和(自身を除く): 60628682

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 83, 166, 185, 370, 415, 421, 830, 842, 925, 1850, 2075, 2105, 3071, 4150, 4210, 6142, 10525, 15355, 15577, 21050, 30710, 31154, 34943, 69886, 76775, 77885, 153550, 155770, 174715, 349430, 389425, 778850, 873575, 1292891, 1747150, 2585782, 6464455, 12928910, 32322275, 64644550]

約数ペア:

[(1, 64644550), (2, 32322275), (5, 12928910), (10, 6464455), (25, 2585782), (37, 1747150), (50, 1292891), (74, 873575), (83, 778850), (166, 389425), (185, 349430), (370, 174715), (415, 155770), (421, 153550), (830, 77885), (842, 76775), (925, 69886), (1850, 34943), (2075, 31154), (2105, 30710), (3071, 21050), (4150, 15577), (4210, 15355), (6142, 10525)]