52788520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 124312320

約数和(自身を除く): 71523800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 653, 860, 940, 1306, 1720, 1880, 2021, 2612, 3265, 4042, 5224, 6530, 8084, 10105, 13060, 16168, 20210, 26120, 28079, 30691, 40420, 56158, 61382, 80840, 112316, 122764, 140395, 153455, 224632, 245528, 280790, 306910, 561580, 613820, 1123160, 1227640, 1319713, 2639426, 5278852, 6598565, 10557704, 13197130, 26394260, 52788520]

約数ペア:

[(1, 52788520), (2, 26394260), (4, 13197130), (5, 10557704), (8, 6598565), (10, 5278852), (20, 2639426), (40, 1319713), (43, 1227640), (47, 1123160), (86, 613820), (94, 561580), (172, 306910), (188, 280790), (215, 245528), (235, 224632), (344, 153455), (376, 140395), (430, 122764), (470, 112316), (653, 80840), (860, 61382), (940, 56158), (1306, 40420), (1720, 30691), (1880, 28079), (2021, 26120), (2612, 20210), (3265, 16168), (4042, 13060), (5224, 10105), (6530, 8084)]