81887650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2377}}^1$

素因数の和:2455

約数の個数: 48

約数和(自身を含む): 167192424

約数和(自身を除く): 85304774

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 265, 325, 530, 650, 689, 1325, 1378, 2377, 2650, 3445, 4754, 6890, 11885, 17225, 23770, 30901, 34450, 59425, 61802, 118850, 125981, 154505, 251962, 309010, 629905, 772525, 1259810, 1545050, 1637753, 3149525, 3275506, 6299050, 8188765, 16377530, 40943825, 81887650]

約数ペア:

[(1, 81887650), (2, 40943825), (5, 16377530), (10, 8188765), (13, 6299050), (25, 3275506), (26, 3149525), (50, 1637753), (53, 1545050), (65, 1259810), (106, 772525), (130, 629905), (265, 309010), (325, 251962), (530, 154505), (650, 125981), (689, 118850), (1325, 61802), (1378, 59425), (2377, 34450), (2650, 30901), (3445, 23770), (4754, 17225), (6890, 11885)]