27790100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21377}}^1$

素因数の和:21404

約数の個数: 36

約数和(自身を含む): 64946364

約数和(自身を除く): 37156264

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 21377, 42754, 85508, 106885, 213770, 277901, 427540, 534425, 555802, 1068850, 1111604, 1389505, 2137700, 2779010, 5558020, 6947525, 13895050, 27790100]

約数ペア:

[(1, 27790100), (2, 13895050), (4, 6947525), (5, 5558020), (10, 2779010), (13, 2137700), (20, 1389505), (25, 1111604), (26, 1068850), (50, 555802), (52, 534425), (65, 427540), (100, 277901), (130, 213770), (260, 106885), (325, 85508), (650, 42754), (1300, 21377)]