72781610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6551}}^1$

素因数の和:6670

約数の個数: 32

約数和(自身を含む): 144353664

約数和(自身を除く): 71572054

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 6551, 11110, 13102, 32755, 65510, 72061, 144122, 360305, 661651, 720610, 1323302, 3308255, 6616510, 7278161, 14556322, 36390805, 72781610]

約数ペア:

[(1, 72781610), (2, 36390805), (5, 14556322), (10, 7278161), (11, 6616510), (22, 3308255), (55, 1323302), (101, 720610), (110, 661651), (202, 360305), (505, 144122), (1010, 72061), (1111, 65510), (2222, 32755), (5555, 13102), (6551, 11110)]