38416520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18121}}^1$

素因数の和:18185

約数の個数: 32

約数和(自身を含む): 88072920

約数和(自身を除く): 49656400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 18121, 36242, 72484, 90605, 144968, 181210, 362420, 724840, 960413, 1920826, 3841652, 4802065, 7683304, 9604130, 19208260, 38416520]

約数ペア:

[(1, 38416520), (2, 19208260), (4, 9604130), (5, 7683304), (8, 4802065), (10, 3841652), (20, 1920826), (40, 960413), (53, 724840), (106, 362420), (212, 181210), (265, 144968), (424, 90605), (530, 72484), (1060, 36242), (2120, 18121)]