204764720

素因数分解:

$2^4\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{1621}}^1$

素因数の和:3213

約数の個数: 40

約数和(自身を含む): 476673360

約数和(自身を除く): 271908640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1579, 1621, 3158, 3242, 6316, 6484, 7895, 8105, 12632, 12968, 15790, 16210, 25264, 25936, 31580, 32420, 63160, 64840, 126320, 129680, 2559559, 5119118, 10238236, 12797795, 20476472, 25595590, 40952944, 51191180, 102382360, 204764720]

約数ペア:

[(1, 204764720), (2, 102382360), (4, 51191180), (5, 40952944), (8, 25595590), (10, 20476472), (16, 12797795), (20, 10238236), (40, 5119118), (80, 2559559), (1579, 129680), (1621, 126320), (3158, 64840), (3242, 63160), (6316, 32420), (6484, 31580), (7895, 25936), (8105, 25264), (12632, 16210), (12968, 15790)]