203784080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{82171}}^1$

素因数の和:82215

約数の個数: 40

約数和(自身を含む): 489087744

約数和(自身を除く): 285303664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 82171, 164342, 328684, 410855, 657368, 821710, 1314736, 1643420, 2547301, 3286840, 5094602, 6573680, 10189204, 12736505, 20378408, 25473010, 40756816, 50946020, 101892040, 203784080]

約数ペア:

[(1, 203784080), (2, 101892040), (4, 50946020), (5, 40756816), (8, 25473010), (10, 20378408), (16, 12736505), (20, 10189204), (31, 6573680), (40, 5094602), (62, 3286840), (80, 2547301), (124, 1643420), (155, 1314736), (248, 821710), (310, 657368), (496, 410855), (620, 328684), (1240, 164342), (2480, 82171)]