1994980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7673}}^1$

素因数の和:7695

約数の個数: 24

約数和(自身を含む): 4512312

約数和(自身を除く): 2517332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7673, 15346, 30692, 38365, 76730, 99749, 153460, 199498, 398996, 498745, 997490, 1994980]

約数ペア:

[(1, 1994980), (2, 997490), (4, 498745), (5, 398996), (10, 199498), (13, 153460), (20, 99749), (26, 76730), (52, 38365), (65, 30692), (130, 15346), (260, 7673)]