8718446720

素因数分解:

$2^7\times 5^1\times {\mathrm{13622573}}^1$

素因数の和:13622592

約数の個数: 32

約数和(自身を含む): 20842538220

約数和(自身を除く): 12124091500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13622573, 27245146, 54490292, 68112865, 108980584, 136225730, 217961168, 272451460, 435922336, 544902920, 871844672, 1089805840, 1743689344, 2179611680, 4359223360, 8718446720]

約数ペア:

[(1, 8718446720), (2, 4359223360), (4, 2179611680), (5, 1743689344), (8, 1089805840), (10, 871844672), (16, 544902920), (20, 435922336), (32, 272451460), (40, 217961168), (64, 136225730), (80, 108980584), (128, 68112865), (160, 54490292), (320, 27245146), (640, 13622573)]