3989960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7673}}^1$

素因数の和:7697

約数の個数: 32

約数和(自身を含む): 9669240

約数和(自身を除く): 5679280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7673, 15346, 30692, 38365, 61384, 76730, 99749, 153460, 199498, 306920, 398996, 498745, 797992, 997490, 1994980, 3989960]

約数ペア:

[(1, 3989960), (2, 1994980), (4, 997490), (5, 797992), (8, 498745), (10, 398996), (13, 306920), (20, 199498), (26, 153460), (40, 99749), (52, 76730), (65, 61384), (104, 38365), (130, 30692), (260, 15346), (520, 7673)]