85806980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5623}}^1$

素因数の和:5748

約数の個数: 48

約数和(自身を含む): 207863040

約数和(自身を除く): 122056060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 5623, 7630, 11246, 15260, 22492, 28115, 39361, 56230, 78722, 112460, 157444, 196805, 393610, 612907, 787220, 1225814, 2451628, 3064535, 4290349, 6129070, 8580698, 12258140, 17161396, 21451745, 42903490, 85806980]

約数ペア:

[(1, 85806980), (2, 42903490), (4, 21451745), (5, 17161396), (7, 12258140), (10, 8580698), (14, 6129070), (20, 4290349), (28, 3064535), (35, 2451628), (70, 1225814), (109, 787220), (140, 612907), (218, 393610), (436, 196805), (545, 157444), (763, 112460), (1090, 78722), (1526, 56230), (2180, 39361), (3052, 28115), (3815, 22492), (5623, 15260), (7630, 11246)]