15998200

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1951}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 38122560

約数和(自身を除く): 22124360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 1951, 2050, 3902, 4100, 7804, 8200, 9755, 15608, 19510, 39020, 48775, 78040, 79991, 97550, 159982, 195100, 319964, 390200, 399955, 639928, 799910, 1599820, 1999775, 3199640, 3999550, 7999100, 15998200]

約数ペア:

[(1, 15998200), (2, 7999100), (4, 3999550), (5, 3199640), (8, 1999775), (10, 1599820), (20, 799910), (25, 639928), (40, 399955), (41, 390200), (50, 319964), (82, 195100), (100, 159982), (164, 97550), (200, 79991), (205, 78040), (328, 48775), (410, 39020), (820, 19510), (1025, 15608), (1640, 9755), (1951, 8200), (2050, 7804), (3902, 4100)]