7979920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7673}}^1$

素因数の和:7699

約数の個数: 40

約数和(自身を含む): 19983096

約数和(自身を除く): 12003176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7673, 15346, 30692, 38365, 61384, 76730, 99749, 122768, 153460, 199498, 306920, 398996, 498745, 613840, 797992, 997490, 1595984, 1994980, 3989960, 7979920]

約数ペア:

[(1, 7979920), (2, 3989960), (4, 1994980), (5, 1595984), (8, 997490), (10, 797992), (13, 613840), (16, 498745), (20, 398996), (26, 306920), (40, 199498), (52, 153460), (65, 122768), (80, 99749), (104, 76730), (130, 61384), (208, 38365), (260, 30692), (520, 15346), (1040, 7673)]