66183020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 145762848

約数和(自身を除く): 79579828

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 1877, 3526, 3754, 7052, 7508, 8815, 9385, 17630, 18770, 35260, 37540, 76957, 80711, 153914, 161422, 307828, 322844, 384785, 403555, 769570, 807110, 1539140, 1614220, 3309151, 6618302, 13236604, 16545755, 33091510, 66183020]

約数ペア:

[(1, 66183020), (2, 33091510), (4, 16545755), (5, 13236604), (10, 6618302), (20, 3309151), (41, 1614220), (43, 1539140), (82, 807110), (86, 769570), (164, 403555), (172, 384785), (205, 322844), (215, 307828), (410, 161422), (430, 153914), (820, 80711), (860, 76957), (1763, 37540), (1877, 35260), (3526, 18770), (3754, 17630), (7052, 9385), (7508, 8815)]