138673280

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5039}}^1$

素因数の和:5101

約数の個数: 64

約数和(自身を含む): 339292800

約数和(自身を除く): 200619520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2752, 3440, 5039, 5504, 6880, 10078, 13760, 20156, 25195, 27520, 40312, 50390, 80624, 100780, 161248, 201560, 216677, 322496, 403120, 433354, 644992, 806240, 866708, 1083385, 1612480, 1733416, 2166770, 3224960, 3466832, 4333540, 6933664, 8667080, 13867328, 17334160, 27734656, 34668320, 69336640, 138673280]

約数ペア:

[(1, 138673280), (2, 69336640), (4, 34668320), (5, 27734656), (8, 17334160), (10, 13867328), (16, 8667080), (20, 6933664), (32, 4333540), (40, 3466832), (43, 3224960), (64, 2166770), (80, 1733416), (86, 1612480), (128, 1083385), (160, 866708), (172, 806240), (215, 644992), (320, 433354), (344, 403120), (430, 322496), (640, 216677), (688, 201560), (860, 161248), (1376, 100780), (1720, 80624), (2752, 50390), (3440, 40312), (5039, 27520), (5504, 25195), (6880, 20156), (10078, 13760)]