82913660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 178469760

約数和(自身を除く): 95556100

約数列:

[1, 2, 4, 5, 10, 20, 79, 97, 158, 194, 316, 388, 395, 485, 541, 790, 970, 1082, 1580, 1940, 2164, 2705, 5410, 7663, 10820, 15326, 30652, 38315, 42739, 52477, 76630, 85478, 104954, 153260, 170956, 209908, 213695, 262385, 427390, 524770, 854780, 1049540, 4145683, 8291366, 16582732, 20728415, 41456830, 82913660]

約数ペア:

[(1, 82913660), (2, 41456830), (4, 20728415), (5, 16582732), (10, 8291366), (20, 4145683), (79, 1049540), (97, 854780), (158, 524770), (194, 427390), (316, 262385), (388, 213695), (395, 209908), (485, 170956), (541, 153260), (790, 104954), (970, 85478), (1082, 76630), (1580, 52477), (1940, 42739), (2164, 38315), (2705, 30652), (5410, 15326), (7663, 10820)]