65572120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{39983}}^1$

素因数の和:40035

約数の個数: 32

約数和(自身を含む): 151139520

約数和(自身を除く): 85567400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 39983, 79966, 159932, 199915, 319864, 399830, 799660, 1599320, 1639303, 3278606, 6557212, 8196515, 13114424, 16393030, 32786060, 65572120]

約数ペア:

[(1, 65572120), (2, 32786060), (4, 16393030), (5, 13114424), (8, 8196515), (10, 6557212), (20, 3278606), (40, 1639303), (41, 1599320), (82, 799660), (164, 399830), (205, 319864), (328, 199915), (410, 159932), (820, 79966), (1640, 39983)]