77885320

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8147}}^1$

素因数の和:8397

約数の個数: 32

約数和(自身を含む): 175996800

約数和(自身を除く): 98111480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 8147, 9560, 16294, 32588, 40735, 65176, 81470, 162940, 325880, 1947133, 3894266, 7788532, 9735665, 15577064, 19471330, 38942660, 77885320]

約数ペア:

[(1, 77885320), (2, 38942660), (4, 19471330), (5, 15577064), (8, 9735665), (10, 7788532), (20, 3894266), (40, 1947133), (239, 325880), (478, 162940), (956, 81470), (1195, 65176), (1912, 40735), (2390, 32588), (4780, 16294), (8147, 9560)]