17379920

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2441}}^1$

素因数の和:2543

約数の個数: 40

約数和(自身を含む): 40879080

約数和(自身を除く): 23499160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 2441, 3560, 4882, 7120, 9764, 12205, 19528, 24410, 39056, 48820, 97640, 195280, 217249, 434498, 868996, 1086245, 1737992, 2172490, 3475984, 4344980, 8689960, 17379920]

約数ペア:

[(1, 17379920), (2, 8689960), (4, 4344980), (5, 3475984), (8, 2172490), (10, 1737992), (16, 1086245), (20, 868996), (40, 434498), (80, 217249), (89, 195280), (178, 97640), (356, 48820), (445, 39056), (712, 24410), (890, 19528), (1424, 12205), (1780, 9764), (2441, 7120), (3560, 4882)]