26457880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1184

約数の個数: 64

約数和(自身を含む): 64742400

約数和(自身を除く): 38284520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1123, 1178, 1240, 2246, 2356, 2945, 4492, 4712, 5615, 5890, 8984, 11230, 11780, 21337, 22460, 23560, 34813, 42674, 44920, 69626, 85348, 106685, 139252, 170696, 174065, 213370, 278504, 348130, 426740, 661447, 696260, 853480, 1322894, 1392520, 2645788, 3307235, 5291576, 6614470, 13228940, 26457880]

約数ペア:

[(1, 26457880), (2, 13228940), (4, 6614470), (5, 5291576), (8, 3307235), (10, 2645788), (19, 1392520), (20, 1322894), (31, 853480), (38, 696260), (40, 661447), (62, 426740), (76, 348130), (95, 278504), (124, 213370), (152, 174065), (155, 170696), (190, 139252), (248, 106685), (310, 85348), (380, 69626), (589, 44920), (620, 42674), (760, 34813), (1123, 23560), (1178, 22460), (1240, 21337), (2246, 11780), (2356, 11230), (2945, 8984), (4492, 5890), (4712, 5615)]