129743200

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1277}}^1$

素因数の和:1424

約数の個数: 72

約数和(自身を含む): 319479552

約数和(自身を除く): 189736352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 400, 508, 635, 800, 1016, 1270, 1277, 2032, 2540, 2554, 3175, 4064, 5080, 5108, 6350, 6385, 10160, 10216, 12700, 12770, 20320, 20432, 25400, 25540, 31925, 40864, 50800, 51080, 63850, 101600, 102160, 127700, 162179, 204320, 255400, 324358, 510800, 648716, 810895, 1021600, 1297432, 1621790, 2594864, 3243580, 4054475, 5189728, 6487160, 8108950, 12974320, 16217900, 25948640, 32435800, 64871600, 129743200]

約数ペア:

[(1, 129743200), (2, 64871600), (4, 32435800), (5, 25948640), (8, 16217900), (10, 12974320), (16, 8108950), (20, 6487160), (25, 5189728), (32, 4054475), (40, 3243580), (50, 2594864), (80, 1621790), (100, 1297432), (127, 1021600), (160, 810895), (200, 648716), (254, 510800), (400, 324358), (508, 255400), (635, 204320), (800, 162179), (1016, 127700), (1270, 102160), (1277, 101600), (2032, 63850), (2540, 51080), (2554, 50800), (3175, 40864), (4064, 31925), (5080, 25540), (5108, 25400), (6350, 20432), (6385, 20320), (10160, 12770), (10216, 12700)]