2102960

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:381

約数の個数: 40

約数和(自身を含む): 4958016

約数和(自身を除く): 2855056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 271, 388, 485, 542, 776, 970, 1084, 1355, 1552, 1940, 2168, 2710, 3880, 4336, 5420, 7760, 10840, 21680, 26287, 52574, 105148, 131435, 210296, 262870, 420592, 525740, 1051480, 2102960]

約数ペア:

[(1, 2102960), (2, 1051480), (4, 525740), (5, 420592), (8, 262870), (10, 210296), (16, 131435), (20, 105148), (40, 52574), (80, 26287), (97, 21680), (194, 10840), (271, 7760), (388, 5420), (485, 4336), (542, 3880), (776, 2710), (970, 2168), (1084, 1940), (1355, 1552)]