65984860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{3923}}^1$

素因数の和:3990

約数の個数: 36

約数和(自身を含む): 143547768

約数和(自身を除く): 77562908

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 3364, 3923, 4205, 7846, 8410, 15692, 16820, 19615, 39230, 78460, 113767, 227534, 455068, 568835, 1137670, 2275340, 3299243, 6598486, 13196972, 16496215, 32992430, 65984860]

約数ペア:

[(1, 65984860), (2, 32992430), (4, 16496215), (5, 13196972), (10, 6598486), (20, 3299243), (29, 2275340), (58, 1137670), (116, 568835), (145, 455068), (290, 227534), (580, 113767), (841, 78460), (1682, 39230), (3364, 19615), (3923, 16820), (4205, 15692), (7846, 8410)]