79773700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{19457}}^1$

素因数の和:19512

約数の個数: 36

約数和(自身を含む): 177340212

約数和(自身を除く): 97566512

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 19457, 38914, 77828, 97285, 194570, 389140, 486425, 797737, 972850, 1595474, 1945700, 3190948, 3988685, 7977370, 15954740, 19943425, 39886850, 79773700]

約数ペア:

[(1, 79773700), (2, 39886850), (4, 19943425), (5, 15954740), (10, 7977370), (20, 3988685), (25, 3190948), (41, 1945700), (50, 1595474), (82, 972850), (100, 797737), (164, 486425), (205, 389140), (410, 194570), (820, 97285), (1025, 77828), (2050, 38914), (4100, 19457)]