2087020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 4939200

約数和(自身を除く): 2852180

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 349, 460, 598, 698, 1196, 1396, 1495, 1745, 2990, 3490, 4537, 5980, 6980, 8027, 9074, 16054, 18148, 22685, 32108, 40135, 45370, 80270, 90740, 104351, 160540, 208702, 417404, 521755, 1043510, 2087020]

約数ペア:

[(1, 2087020), (2, 1043510), (4, 521755), (5, 417404), (10, 208702), (13, 160540), (20, 104351), (23, 90740), (26, 80270), (46, 45370), (52, 40135), (65, 32108), (92, 22685), (115, 18148), (130, 16054), (230, 9074), (260, 8027), (299, 6980), (349, 5980), (460, 4537), (598, 3490), (698, 2990), (1196, 1745), (1396, 1495)]