27821240

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{839}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 62748000

約数和(自身を除く): 34926760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 839, 1658, 1678, 3316, 3356, 4145, 4195, 6632, 6712, 8290, 8390, 16580, 16780, 33160, 33560, 695531, 1391062, 2782124, 3477655, 5564248, 6955310, 13910620, 27821240]

約数ペア:

[(1, 27821240), (2, 13910620), (4, 6955310), (5, 5564248), (8, 3477655), (10, 2782124), (20, 1391062), (40, 695531), (829, 33560), (839, 33160), (1658, 16780), (1678, 16580), (3316, 8390), (3356, 8290), (4145, 6712), (4195, 6632)]