3131440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3011}}^1$

素因数の和:3037

約数の個数: 40

約数和(自身を含む): 7843248

約数和(自身を除く): 4711808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3011, 6022, 12044, 15055, 24088, 30110, 39143, 48176, 60220, 78286, 120440, 156572, 195715, 240880, 313144, 391430, 626288, 782860, 1565720, 3131440]

約数ペア:

[(1, 3131440), (2, 1565720), (4, 782860), (5, 626288), (8, 391430), (10, 313144), (13, 240880), (16, 195715), (20, 156572), (26, 120440), (40, 78286), (52, 60220), (65, 48176), (80, 39143), (104, 30110), (130, 24088), (208, 15055), (260, 12044), (520, 6022), (1040, 3011)]