82494080

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 198710280

約数和(自身を除く): 116216200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 314, 320, 628, 640, 785, 821, 1256, 1570, 1642, 2512, 3140, 3284, 4105, 5024, 6280, 6568, 8210, 10048, 12560, 13136, 16420, 20096, 25120, 26272, 32840, 50240, 52544, 65680, 100480, 105088, 128897, 131360, 257794, 262720, 515588, 525440, 644485, 1031176, 1288970, 2062352, 2577940, 4124704, 5155880, 8249408, 10311760, 16498816, 20623520, 41247040, 82494080]

約数ペア:

[(1, 82494080), (2, 41247040), (4, 20623520), (5, 16498816), (8, 10311760), (10, 8249408), (16, 5155880), (20, 4124704), (32, 2577940), (40, 2062352), (64, 1288970), (80, 1031176), (128, 644485), (157, 525440), (160, 515588), (314, 262720), (320, 257794), (628, 131360), (640, 128897), (785, 105088), (821, 100480), (1256, 65680), (1570, 52544), (1642, 50240), (2512, 32840), (3140, 26272), (3284, 25120), (4105, 20096), (5024, 16420), (6280, 13136), (6568, 12560), (8210, 10048)]