2528840

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 5736960

約数和(自身を除く): 3208120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 331, 382, 662, 764, 955, 1324, 1528, 1655, 1910, 2648, 3310, 3820, 6620, 7640, 13240, 63221, 126442, 252884, 316105, 505768, 632210, 1264420, 2528840]

約数ペア:

[(1, 2528840), (2, 1264420), (4, 632210), (5, 505768), (8, 316105), (10, 252884), (20, 126442), (40, 63221), (191, 13240), (331, 7640), (382, 6620), (662, 3820), (764, 3310), (955, 2648), (1324, 1910), (1528, 1655)]