55642480

素因数分解:

$2^4\times 5^1\times {\mathrm{829}}^1\times {\mathrm{839}}^1$

素因数の和:1681

約数の個数: 40

約数和(自身を含む): 129679200

約数和(自身を除く): 74036720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829, 839, 1658, 1678, 3316, 3356, 4145, 4195, 6632, 6712, 8290, 8390, 13264, 13424, 16580, 16780, 33160, 33560, 66320, 67120, 695531, 1391062, 2782124, 3477655, 5564248, 6955310, 11128496, 13910620, 27821240, 55642480]

約数ペア:

[(1, 55642480), (2, 27821240), (4, 13910620), (5, 11128496), (8, 6955310), (10, 5564248), (16, 3477655), (20, 2782124), (40, 1391062), (80, 695531), (829, 67120), (839, 66320), (1658, 33560), (1678, 33160), (3316, 16780), (3356, 16580), (4145, 13424), (4195, 13264), (6632, 8390), (6712, 8290)]