90281180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{10009}}^1$

素因数の和:10070

約数の個数: 48

約数和(自身を含む): 211891680

約数和(自身を除く): 121610500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 10009, 20018, 40036, 50045, 100090, 110099, 200180, 220198, 410369, 440396, 550495, 820738, 1100990, 1641476, 2051845, 2201980, 4103690, 4514059, 8207380, 9028118, 18056236, 22570295, 45140590, 90281180]

約数ペア:

[(1, 90281180), (2, 45140590), (4, 22570295), (5, 18056236), (10, 9028118), (11, 8207380), (20, 4514059), (22, 4103690), (41, 2201980), (44, 2051845), (55, 1641476), (82, 1100990), (110, 820738), (164, 550495), (205, 440396), (220, 410369), (410, 220198), (451, 200180), (820, 110099), (902, 100090), (1804, 50045), (2255, 40036), (4510, 20018), (9020, 10009)]