9840820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1091}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 23115456

約数和(自身を除く): 13274636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1091, 1804, 2182, 2255, 4364, 4510, 5455, 9020, 10910, 12001, 21820, 24002, 44731, 48004, 60005, 89462, 120010, 178924, 223655, 240020, 447310, 492041, 894620, 984082, 1968164, 2460205, 4920410, 9840820]

約数ペア:

[(1, 9840820), (2, 4920410), (4, 2460205), (5, 1968164), (10, 984082), (11, 894620), (20, 492041), (22, 447310), (41, 240020), (44, 223655), (55, 178924), (82, 120010), (110, 89462), (164, 60005), (205, 48004), (220, 44731), (410, 24002), (451, 21820), (820, 12001), (902, 10910), (1091, 9020), (1804, 5455), (2182, 4510), (2255, 4364)]