157622840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{55501}}^1$

素因数の和:55583

約数の個数: 32

約数和(自身を含む): 359652960

約数和(自身を除く): 202030120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 55501, 111002, 222004, 277505, 444008, 555010, 1110020, 2220040, 3940571, 7881142, 15762284, 19702855, 31524568, 39405710, 78811420, 157622840]

約数ペア:

[(1, 157622840), (2, 78811420), (4, 39405710), (5, 31524568), (8, 19702855), (10, 15762284), (20, 7881142), (40, 3940571), (71, 2220040), (142, 1110020), (284, 555010), (355, 444008), (568, 277505), (710, 222004), (1420, 111002), (2840, 55501)]