40339900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9839}}^1$

素因数の和:9894

約数の個数: 36

約数和(自身を含む): 89681760

約数和(自身を除く): 49341860

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 9839, 19678, 39356, 49195, 98390, 196780, 245975, 403399, 491950, 806798, 983900, 1613596, 2016995, 4033990, 8067980, 10084975, 20169950, 40339900]

約数ペア:

[(1, 40339900), (2, 20169950), (4, 10084975), (5, 8067980), (10, 4033990), (20, 2016995), (25, 1613596), (41, 983900), (50, 806798), (82, 491950), (100, 403399), (164, 245975), (205, 196780), (410, 98390), (820, 49195), (1025, 39356), (2050, 19678), (4100, 9839)]