4073240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 9288000

約数和(自身を除く): 5214760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1289, 1580, 2578, 3160, 5156, 6445, 10312, 12890, 25780, 51560, 101831, 203662, 407324, 509155, 814648, 1018310, 2036620, 4073240]

約数ペア:

[(1, 4073240), (2, 2036620), (4, 1018310), (5, 814648), (8, 509155), (10, 407324), (20, 203662), (40, 101831), (79, 51560), (158, 25780), (316, 12890), (395, 10312), (632, 6445), (790, 5156), (1289, 3160), (1580, 2578)]