4705240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1489}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 10728000

約数和(自身を除く): 6022760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1489, 1580, 2978, 3160, 5956, 7445, 11912, 14890, 29780, 59560, 117631, 235262, 470524, 588155, 941048, 1176310, 2352620, 4705240]

約数ペア:

[(1, 4705240), (2, 2352620), (4, 1176310), (5, 941048), (8, 588155), (10, 470524), (20, 235262), (40, 117631), (79, 59560), (158, 29780), (316, 14890), (395, 11912), (632, 7445), (790, 5956), (1489, 3160), (1580, 2978)]