88750280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{51599}}^1$

素因数の和:51653

約数の個数: 32

約数和(自身を含む): 204336000

約数和(自身を除く): 115585720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 51599, 103198, 206396, 257995, 412792, 515990, 1031980, 2063960, 2218757, 4437514, 8875028, 11093785, 17750056, 22187570, 44375140, 88750280]

約数ペア:

[(1, 88750280), (2, 44375140), (4, 22187570), (5, 17750056), (8, 11093785), (10, 8875028), (20, 4437514), (40, 2218757), (43, 2063960), (86, 1031980), (172, 515990), (215, 412792), (344, 257995), (430, 206396), (860, 103198), (1720, 51599)]