50777680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 122898384

約数和(自身を除く): 72120704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 113, 137, 164, 205, 226, 274, 328, 410, 452, 548, 565, 656, 685, 820, 904, 1096, 1130, 1370, 1640, 1808, 2192, 2260, 2740, 3280, 4520, 4633, 5480, 5617, 9040, 9266, 10960, 11234, 15481, 18532, 22468, 23165, 28085, 30962, 37064, 44936, 46330, 56170, 61924, 74128, 77405, 89872, 92660, 112340, 123848, 154810, 185320, 224680, 247696, 309620, 370640, 449360, 619240, 634721, 1238480, 1269442, 2538884, 3173605, 5077768, 6347210, 10155536, 12694420, 25388840, 50777680]

約数ペア:

[(1, 50777680), (2, 25388840), (4, 12694420), (5, 10155536), (8, 6347210), (10, 5077768), (16, 3173605), (20, 2538884), (40, 1269442), (41, 1238480), (80, 634721), (82, 619240), (113, 449360), (137, 370640), (164, 309620), (205, 247696), (226, 224680), (274, 185320), (328, 154810), (410, 123848), (452, 112340), (548, 92660), (565, 89872), (656, 77405), (685, 74128), (820, 61924), (904, 56170), (1096, 46330), (1130, 44936), (1370, 37064), (1640, 30962), (1808, 28085), (2192, 23165), (2260, 22468), (2740, 18532), (3280, 15481), (4520, 11234), (4633, 10960), (5480, 9266), (5617, 9040)]