2391440

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:359

約数の個数: 40

約数和(自身を含む): 5624640

約数和(自身を除く): 3233200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 179, 334, 358, 668, 716, 835, 895, 1336, 1432, 1670, 1790, 2672, 2864, 3340, 3580, 6680, 7160, 13360, 14320, 29893, 59786, 119572, 149465, 239144, 298930, 478288, 597860, 1195720, 2391440]

約数ペア:

[(1, 2391440), (2, 1195720), (4, 597860), (5, 478288), (8, 298930), (10, 239144), (16, 149465), (20, 119572), (40, 59786), (80, 29893), (167, 14320), (179, 13360), (334, 7160), (358, 6680), (668, 3580), (716, 3340), (835, 2864), (895, 2672), (1336, 1790), (1432, 1670)]