8705780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 19160064

約数和(自身を除く): 10454284

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 191, 212, 215, 265, 382, 430, 530, 764, 860, 955, 1060, 1910, 2279, 3820, 4558, 8213, 9116, 10123, 11395, 16426, 20246, 22790, 32852, 40492, 41065, 45580, 50615, 82130, 101230, 164260, 202460, 435289, 870578, 1741156, 2176445, 4352890, 8705780]

約数ペア:

[(1, 8705780), (2, 4352890), (4, 2176445), (5, 1741156), (10, 870578), (20, 435289), (43, 202460), (53, 164260), (86, 101230), (106, 82130), (172, 50615), (191, 45580), (212, 41065), (215, 40492), (265, 32852), (382, 22790), (430, 20246), (530, 16426), (764, 11395), (860, 10123), (955, 9116), (1060, 8213), (1910, 4558), (2279, 3820)]