81473180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8263}}^1$

素因数の和:8318

約数の個数: 48

約数和(自身を含む): 187427520

約数和(自身を除く): 105954340

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 8263, 9860, 16526, 33052, 41315, 82630, 140471, 165260, 239627, 280942, 479254, 561884, 702355, 958508, 1198135, 1404710, 2396270, 2809420, 4073659, 4792540, 8147318, 16294636, 20368295, 40736590, 81473180]

約数ペア:

[(1, 81473180), (2, 40736590), (4, 20368295), (5, 16294636), (10, 8147318), (17, 4792540), (20, 4073659), (29, 2809420), (34, 2396270), (58, 1404710), (68, 1198135), (85, 958508), (116, 702355), (145, 561884), (170, 479254), (290, 280942), (340, 239627), (493, 165260), (580, 140471), (986, 82630), (1972, 41315), (2465, 33052), (4930, 16526), (8263, 9860)]