3440840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{509}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 8399700

約数和(自身を除く): 4958860

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 509, 520, 676, 845, 1018, 1352, 1690, 2036, 2545, 3380, 4072, 5090, 6617, 6760, 10180, 13234, 20360, 26468, 33085, 52936, 66170, 86021, 132340, 172042, 264680, 344084, 430105, 688168, 860210, 1720420, 3440840]

約数ペア:

[(1, 3440840), (2, 1720420), (4, 860210), (5, 688168), (8, 430105), (10, 344084), (13, 264680), (20, 172042), (26, 132340), (40, 86021), (52, 66170), (65, 52936), (104, 33085), (130, 26468), (169, 20360), (260, 13234), (338, 10180), (509, 6760), (520, 6617), (676, 5090), (845, 4072), (1018, 3380), (1352, 2545), (1690, 2036)]