4481960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{16007}}^1$

素因数の和:16025

約数の個数: 32

約数和(自身を含む): 11525760

約数和(自身を除く): 7043800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 16007, 32014, 64028, 80035, 112049, 128056, 160070, 224098, 320140, 448196, 560245, 640280, 896392, 1120490, 2240980, 4481960]

約数ペア:

[(1, 4481960), (2, 2240980), (4, 1120490), (5, 896392), (7, 640280), (8, 560245), (10, 448196), (14, 320140), (20, 224098), (28, 160070), (35, 128056), (40, 112049), (56, 80035), (70, 64028), (140, 32014), (280, 16007)]