78109100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{19051}}^1$

素因数の和:19106

約数の個数: 36

約数和(自身を含む): 173639928

約数和(自身を除く): 95530828

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 19051, 38102, 76204, 95255, 190510, 381020, 476275, 781091, 952550, 1562182, 1905100, 3124364, 3905455, 7810910, 15621820, 19527275, 39054550, 78109100]

約数ペア:

[(1, 78109100), (2, 39054550), (4, 19527275), (5, 15621820), (10, 7810910), (20, 3905455), (25, 3124364), (41, 1905100), (50, 1562182), (82, 952550), (100, 781091), (164, 476275), (205, 381020), (410, 190510), (820, 95255), (1025, 76204), (2050, 38102), (4100, 19051)]