38687800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10181}}^1$

素因数の和:10216

約数の個数: 48

約数和(自身を含む): 94692600

約数和(自身を除く): 56004800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 10181, 20362, 40724, 50905, 81448, 101810, 193439, 203620, 254525, 386878, 407240, 509050, 773756, 967195, 1018100, 1547512, 1934390, 2036200, 3868780, 4835975, 7737560, 9671950, 19343900, 38687800]

約数ペア:

[(1, 38687800), (2, 19343900), (4, 9671950), (5, 7737560), (8, 4835975), (10, 3868780), (19, 2036200), (20, 1934390), (25, 1547512), (38, 1018100), (40, 967195), (50, 773756), (76, 509050), (95, 407240), (100, 386878), (152, 254525), (190, 203620), (200, 193439), (380, 101810), (475, 81448), (760, 50905), (950, 40724), (1900, 20362), (3800, 10181)]