8987720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{32099}}^1$

素因数の和:32117

約数の個数: 32

約数和(自身を含む): 23112000

約数和(自身を除く): 14124280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 32099, 64198, 128396, 160495, 224693, 256792, 320990, 449386, 641980, 898772, 1123465, 1283960, 1797544, 2246930, 4493860, 8987720]

約数ペア:

[(1, 8987720), (2, 4493860), (4, 2246930), (5, 1797544), (7, 1283960), (8, 1123465), (10, 898772), (14, 641980), (20, 449386), (28, 320990), (35, 256792), (40, 224693), (56, 160495), (70, 128396), (140, 64198), (280, 32099)]