40376840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{144203}}^1$

素因数の和:144221

約数の個数: 32

約数和(自身を含む): 103826880

約数和(自身を除く): 63450040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 144203, 288406, 576812, 721015, 1009421, 1153624, 1442030, 2018842, 2884060, 4037684, 5047105, 5768120, 8075368, 10094210, 20188420, 40376840]

約数ペア:

[(1, 40376840), (2, 20188420), (4, 10094210), (5, 8075368), (7, 5768120), (8, 5047105), (10, 4037684), (14, 2884060), (20, 2018842), (28, 1442030), (35, 1153624), (40, 1009421), (56, 721015), (70, 576812), (140, 288406), (280, 144203)]