22489220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1291}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 51659328

約数和(自身を除く): 29170108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1291, 1340, 1742, 2582, 3484, 4355, 5164, 6455, 8710, 12910, 16783, 17420, 25820, 33566, 67132, 83915, 86497, 167830, 172994, 335660, 345988, 432485, 864970, 1124461, 1729940, 2248922, 4497844, 5622305, 11244610, 22489220]

約数ペア:

[(1, 22489220), (2, 11244610), (4, 5622305), (5, 4497844), (10, 2248922), (13, 1729940), (20, 1124461), (26, 864970), (52, 432485), (65, 345988), (67, 335660), (130, 172994), (134, 167830), (260, 86497), (268, 83915), (335, 67132), (670, 33566), (871, 25820), (1291, 17420), (1340, 16783), (1742, 12910), (2582, 8710), (3484, 6455), (4355, 5164)]