520023400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{200009}}^1$

素因数の和:200038

約数の個数: 48

約数和(自身を含む): 1302065100

約数和(自身を除く): 782041700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 200009, 400018, 800036, 1000045, 1600072, 2000090, 2600117, 4000180, 5000225, 5200234, 8000360, 10000450, 10400468, 13000585, 20000900, 20800936, 26001170, 40001800, 52002340, 65002925, 104004680, 130005850, 260011700, 520023400]

約数ペア:

[(1, 520023400), (2, 260011700), (4, 130005850), (5, 104004680), (8, 65002925), (10, 52002340), (13, 40001800), (20, 26001170), (25, 20800936), (26, 20000900), (40, 13000585), (50, 10400468), (52, 10000450), (65, 8000360), (100, 5200234), (104, 5000225), (130, 4000180), (200, 2600117), (260, 2000090), (325, 1600072), (520, 1000045), (650, 800036), (1300, 400018), (2600, 200009)]