804980020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{30059}}^1$

素因数の和:30184

約数の個数: 48

約数和(自身を含む): 1838229120

約数和(自身を除く): 1033249100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 2060, 2678, 5356, 6695, 13390, 26780, 30059, 60118, 120236, 150295, 300590, 390767, 601180, 781534, 1563068, 1953835, 3096077, 3907670, 6192154, 7815340, 12384308, 15480385, 30960770, 40249001, 61921540, 80498002, 160996004, 201245005, 402490010, 804980020]

約数ペア:

[(1, 804980020), (2, 402490010), (4, 201245005), (5, 160996004), (10, 80498002), (13, 61921540), (20, 40249001), (26, 30960770), (52, 15480385), (65, 12384308), (103, 7815340), (130, 6192154), (206, 3907670), (260, 3096077), (412, 1953835), (515, 1563068), (1030, 781534), (1339, 601180), (2060, 390767), (2678, 300590), (5356, 150295), (6695, 120236), (13390, 60118), (26780, 30059)]