81935260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2843}}^1$

素因数の和:2994

約数の個数: 48

約数和(自身を含む): 189205632

約数和(自身を除く): 107270372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2620, 2843, 2882, 5686, 5764, 7205, 11372, 14215, 14410, 28430, 28820, 31273, 56860, 62546, 125092, 156365, 312730, 372433, 625460, 744866, 1489732, 1862165, 3724330, 4096763, 7448660, 8193526, 16387052, 20483815, 40967630, 81935260]

約数ペア:

[(1, 81935260), (2, 40967630), (4, 20483815), (5, 16387052), (10, 8193526), (11, 7448660), (20, 4096763), (22, 3724330), (44, 1862165), (55, 1489732), (110, 744866), (131, 625460), (220, 372433), (262, 312730), (524, 156365), (655, 125092), (1310, 62546), (1441, 56860), (2620, 31273), (2843, 28820), (2882, 28430), (5686, 14410), (5764, 14215), (7205, 11372)]