65627060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 142333632

約数和(自身を除く): 76706572

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 163, 164, 205, 326, 410, 491, 652, 815, 820, 982, 1630, 1964, 2455, 3260, 4910, 6683, 9820, 13366, 20131, 26732, 33415, 40262, 66830, 80033, 80524, 100655, 133660, 160066, 201310, 320132, 400165, 402620, 800330, 1600660, 3281353, 6562706, 13125412, 16406765, 32813530, 65627060]

約数ペア:

[(1, 65627060), (2, 32813530), (4, 16406765), (5, 13125412), (10, 6562706), (20, 3281353), (41, 1600660), (82, 800330), (163, 402620), (164, 400165), (205, 320132), (326, 201310), (410, 160066), (491, 133660), (652, 100655), (815, 80524), (820, 80033), (982, 66830), (1630, 40262), (1964, 33415), (2455, 26732), (3260, 20131), (4910, 13366), (6683, 9820)]