38863900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9479}}^1$

素因数の和:9534

約数の個数: 36

約数和(自身を含む): 86400720

約数和(自身を除く): 47536820

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 9479, 18958, 37916, 47395, 94790, 189580, 236975, 388639, 473950, 777278, 947900, 1554556, 1943195, 3886390, 7772780, 9715975, 19431950, 38863900]

約数ペア:

[(1, 38863900), (2, 19431950), (4, 9715975), (5, 7772780), (10, 3886390), (20, 1943195), (25, 1554556), (41, 947900), (50, 777278), (82, 473950), (100, 388639), (164, 236975), (205, 189580), (410, 94790), (820, 47395), (1025, 37916), (2050, 18958), (4100, 9479)]