2211080

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 5019840

約数和(自身を除く): 2808760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 331, 334, 662, 668, 835, 1324, 1336, 1655, 1670, 2648, 3310, 3340, 6620, 6680, 13240, 55277, 110554, 221108, 276385, 442216, 552770, 1105540, 2211080]

約数ペア:

[(1, 2211080), (2, 1105540), (4, 552770), (5, 442216), (8, 276385), (10, 221108), (20, 110554), (40, 55277), (167, 13240), (331, 6680), (334, 6620), (662, 3340), (668, 3310), (835, 2648), (1324, 1670), (1336, 1655)]