2018985160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{520357}}^1$

素因数の和:520465

約数の個数: 32

約数和(自身を含む): 4589557560

約数和(自身を除く): 2570572400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 520357, 1040714, 2081428, 2601785, 4162856, 5203570, 10407140, 20814280, 50474629, 100949258, 201898516, 252373145, 403797032, 504746290, 1009492580, 2018985160]

約数ペア:

[(1, 2018985160), (2, 1009492580), (4, 504746290), (5, 403797032), (8, 252373145), (10, 201898516), (20, 100949258), (40, 50474629), (97, 20814280), (194, 10407140), (388, 5203570), (485, 4162856), (776, 2601785), (970, 2081428), (1940, 1040714), (3880, 520357)]