38887120

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1553}}^1$

素因数の和:1879

約数の個数: 40

約数和(自身を含む): 90759816

約数和(自身を除く): 51872696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1553, 1565, 2504, 3106, 3130, 5008, 6212, 6260, 7765, 12424, 12520, 15530, 24848, 25040, 31060, 62120, 124240, 486089, 972178, 1944356, 2430445, 3888712, 4860890, 7777424, 9721780, 19443560, 38887120]

約数ペア:

[(1, 38887120), (2, 19443560), (4, 9721780), (5, 7777424), (8, 4860890), (10, 3888712), (16, 2430445), (20, 1944356), (40, 972178), (80, 486089), (313, 124240), (626, 62120), (1252, 31060), (1553, 25040), (1565, 24848), (2504, 15530), (3106, 12520), (3130, 12424), (5008, 7765), (6212, 6260)]