4438480

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 10434600

約数和(自身を除く): 5996120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 509, 545, 872, 1018, 1090, 1744, 2036, 2180, 2545, 4072, 4360, 5090, 8144, 8720, 10180, 20360, 40720, 55481, 110962, 221924, 277405, 443848, 554810, 887696, 1109620, 2219240, 4438480]

約数ペア:

[(1, 4438480), (2, 2219240), (4, 1109620), (5, 887696), (8, 554810), (10, 443848), (16, 277405), (20, 221924), (40, 110962), (80, 55481), (109, 40720), (218, 20360), (436, 10180), (509, 8720), (545, 8144), (872, 5090), (1018, 4360), (1090, 4072), (1744, 2545), (2036, 2180)]