4051120

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:733

約数の個数: 40

約数和(自身を含む): 9552960

約数和(自身を除く): 5501840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 641, 790, 1264, 1282, 1580, 2564, 3160, 3205, 5128, 6320, 6410, 10256, 12820, 25640, 50639, 51280, 101278, 202556, 253195, 405112, 506390, 810224, 1012780, 2025560, 4051120]

約数ペア:

[(1, 4051120), (2, 2025560), (4, 1012780), (5, 810224), (8, 506390), (10, 405112), (16, 253195), (20, 202556), (40, 101278), (79, 51280), (80, 50639), (158, 25640), (316, 12820), (395, 10256), (632, 6410), (641, 6320), (790, 5128), (1264, 3205), (1282, 3160), (1580, 2564)]