7736720

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1107

約数の個数: 40

約数和(自身を含む): 18191544

約数和(自身を除く): 10454824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 997, 1552, 1940, 1994, 3880, 3988, 4985, 7760, 7976, 9970, 15952, 19940, 39880, 79760, 96709, 193418, 386836, 483545, 773672, 967090, 1547344, 1934180, 3868360, 7736720]

約数ペア:

[(1, 7736720), (2, 3868360), (4, 1934180), (5, 1547344), (8, 967090), (10, 773672), (16, 483545), (20, 386836), (40, 193418), (80, 96709), (97, 79760), (194, 39880), (388, 19940), (485, 15952), (776, 9970), (970, 7976), (997, 7760), (1552, 4985), (1940, 3988), (1994, 3880)]