49640720

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6397}}^1$

素因数の和:6507

約数の個数: 40

約数和(自身を含む): 116622744

約数和(自身を除く): 66982024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 6397, 7760, 12794, 25588, 31985, 51176, 63970, 102352, 127940, 255880, 511760, 620509, 1241018, 2482036, 3102545, 4964072, 6205090, 9928144, 12410180, 24820360, 49640720]

約数ペア:

[(1, 49640720), (2, 24820360), (4, 12410180), (5, 9928144), (8, 6205090), (10, 4964072), (16, 3102545), (20, 2482036), (40, 1241018), (80, 620509), (97, 511760), (194, 255880), (388, 127940), (485, 102352), (776, 63970), (970, 51176), (1552, 31985), (1940, 25588), (3880, 12794), (6397, 7760)]