54471920

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1951}}^1$

素因数の和:2313

約数の個数: 40

約数和(自身を含む): 127075200

約数和(自身を除く): 72603280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 1951, 2792, 3490, 3902, 5584, 6980, 7804, 9755, 13960, 15608, 19510, 27920, 31216, 39020, 78040, 156080, 680899, 1361798, 2723596, 3404495, 5447192, 6808990, 10894384, 13617980, 27235960, 54471920]

約数ペア:

[(1, 54471920), (2, 27235960), (4, 13617980), (5, 10894384), (8, 6808990), (10, 5447192), (16, 3404495), (20, 2723596), (40, 1361798), (80, 680899), (349, 156080), (698, 78040), (1396, 39020), (1745, 31216), (1951, 27920), (2792, 19510), (3490, 15608), (3902, 13960), (5584, 9755), (6980, 7804)]