2913880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{751}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 6632640

約数和(自身を除く): 3718760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 751, 776, 970, 1502, 1940, 3004, 3755, 3880, 6008, 7510, 15020, 30040, 72847, 145694, 291388, 364235, 582776, 728470, 1456940, 2913880]

約数ペア:

[(1, 2913880), (2, 1456940), (4, 728470), (5, 582776), (8, 364235), (10, 291388), (20, 145694), (40, 72847), (97, 30040), (194, 15020), (388, 7510), (485, 6008), (751, 3880), (776, 3755), (970, 3004), (1502, 1940)]