72952840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17707}}^1$

素因数の和:17821

約数の個数: 32

約数和(自身を含む): 165746880

約数和(自身を除く): 92794040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 17707, 35414, 70828, 88535, 141656, 177070, 354140, 708280, 1823821, 3647642, 7295284, 9119105, 14590568, 18238210, 36476420, 72952840]

約数ペア:

[(1, 72952840), (2, 36476420), (4, 18238210), (5, 14590568), (8, 9119105), (10, 7295284), (20, 3647642), (40, 1823821), (103, 708280), (206, 354140), (412, 177070), (515, 141656), (824, 88535), (1030, 70828), (2060, 35414), (4120, 17707)]