1255521670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{69481}}^1$

素因数の和:69640

約数の個数: 32

約数和(自身を含む): 2451324960

約数和(自身を除く): 1195803290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3614, 9035, 18070, 69481, 138962, 347405, 694810, 903253, 1806506, 4516265, 9032530, 9657859, 19315718, 48289295, 96578590, 125552167, 251104334, 627760835, 1255521670]

約数ペア:

[(1, 1255521670), (2, 627760835), (5, 251104334), (10, 125552167), (13, 96578590), (26, 48289295), (65, 19315718), (130, 9657859), (139, 9032530), (278, 4516265), (695, 1806506), (1390, 903253), (1807, 694810), (3614, 347405), (9035, 138962), (18070, 69481)]