168163960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{102539}}^1$

素因数の和:102591

約数の個数: 32

約数和(自身を含む): 387601200

約数和(自身を除く): 219437240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 102539, 205078, 410156, 512695, 820312, 1025390, 2050780, 4101560, 4204099, 8408198, 16816396, 21020495, 33632792, 42040990, 84081980, 168163960]

約数ペア:

[(1, 168163960), (2, 84081980), (4, 42040990), (5, 33632792), (8, 21020495), (10, 16816396), (20, 8408198), (40, 4204099), (41, 4101560), (82, 2050780), (164, 1025390), (205, 820312), (328, 512695), (410, 410156), (820, 205078), (1640, 102539)]