42947980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113021}}^1$

素因数の和:113049

約数の個数: 24

約数和(自身を含む): 94938480

約数和(自身を除く): 51990500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 113021, 226042, 452084, 565105, 1130210, 2147399, 2260420, 4294798, 8589596, 10736995, 21473990, 42947980]

約数ペア:

[(1, 42947980), (2, 21473990), (4, 10736995), (5, 8589596), (10, 4294798), (19, 2260420), (20, 2147399), (38, 1130210), (76, 565105), (95, 452084), (190, 226042), (380, 113021)]