199706960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80527}}^1$

素因数の和:80571

約数の個数: 40

約数和(自身を含む): 479302656

約数和(自身を除く): 279595696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 80527, 161054, 322108, 402635, 644216, 805270, 1288432, 1610540, 2496337, 3221080, 4992674, 6442160, 9985348, 12481685, 19970696, 24963370, 39941392, 49926740, 99853480, 199706960]

約数ペア:

[(1, 199706960), (2, 99853480), (4, 49926740), (5, 39941392), (8, 24963370), (10, 19970696), (16, 12481685), (20, 9985348), (31, 6442160), (40, 4992674), (62, 3221080), (80, 2496337), (124, 1610540), (155, 1288432), (248, 805270), (310, 644216), (496, 402635), (620, 322108), (1240, 161054), (2480, 80527)]