64213280

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8539}}^1$

素因数の和:8601

約数の個数: 48

約数和(自身を含む): 154949760

約数和(自身を除く): 90736480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3760, 7520, 8539, 17078, 34156, 42695, 68312, 85390, 136624, 170780, 273248, 341560, 401333, 683120, 802666, 1366240, 1605332, 2006665, 3210664, 4013330, 6421328, 8026660, 12842656, 16053320, 32106640, 64213280]

約数ペア:

[(1, 64213280), (2, 32106640), (4, 16053320), (5, 12842656), (8, 8026660), (10, 6421328), (16, 4013330), (20, 3210664), (32, 2006665), (40, 1605332), (47, 1366240), (80, 802666), (94, 683120), (160, 401333), (188, 341560), (235, 273248), (376, 170780), (470, 136624), (752, 85390), (940, 68312), (1504, 42695), (1880, 34156), (3760, 17078), (7520, 8539)]