25561240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8089}}^1$

素因数の和:8179

約数の個数: 32

約数和(自身を含む): 58248000

約数和(自身を除く): 32686760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 8089, 16178, 32356, 40445, 64712, 80890, 161780, 323560, 639031, 1278062, 2556124, 3195155, 5112248, 6390310, 12780620, 25561240]

約数ペア:

[(1, 25561240), (2, 12780620), (4, 6390310), (5, 5112248), (8, 3195155), (10, 2556124), (20, 1278062), (40, 639031), (79, 323560), (158, 161780), (316, 80890), (395, 64712), (632, 40445), (790, 32356), (1580, 16178), (3160, 8089)]