2578996840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9210703}}^1$

素因数の和:9210721

約数の個数: 32

約数和(自身を含む): 6631706880

約数和(自身を除く): 4052710040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9210703, 18421406, 36842812, 46053515, 64474921, 73685624, 92107030, 128949842, 184214060, 257899684, 322374605, 368428120, 515799368, 644749210, 1289498420, 2578996840]

約数ペア:

[(1, 2578996840), (2, 1289498420), (4, 644749210), (5, 515799368), (7, 368428120), (8, 322374605), (10, 257899684), (14, 184214060), (20, 128949842), (28, 92107030), (35, 73685624), (40, 64474921), (56, 46053515), (70, 36842812), (140, 18421406), (280, 9210703)]