4240840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1093}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 9649080

約数和(自身を除く): 5408240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1093, 1940, 2186, 3880, 4372, 5465, 8744, 10930, 21860, 43720, 106021, 212042, 424084, 530105, 848168, 1060210, 2120420, 4240840]

約数ペア:

[(1, 4240840), (2, 2120420), (4, 1060210), (5, 848168), (8, 530105), (10, 424084), (20, 212042), (40, 106021), (97, 43720), (194, 21860), (388, 10930), (485, 8744), (776, 5465), (970, 4372), (1093, 3880), (1940, 2186)]