168575140

素因数分解:

$2^2\times 5^1\times {\mathrm{2113}}^1\times {\mathrm{3989}}^1$

素因数の和:6111

約数の個数: 24

約数和(自身を含む): 354264120

約数和(自身を除く): 185688980

約数列:

[1, 2, 4, 5, 10, 20, 2113, 3989, 4226, 7978, 8452, 10565, 15956, 19945, 21130, 39890, 42260, 79780, 8428757, 16857514, 33715028, 42143785, 84287570, 168575140]

約数ペア:

[(1, 168575140), (2, 84287570), (4, 42143785), (5, 33715028), (10, 16857514), (20, 8428757), (2113, 79780), (3989, 42260), (4226, 39890), (7978, 21130), (8452, 19945), (10565, 15956)]