72728440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{24907}}^1$

素因数の和:24991

約数の個数: 32

約数和(自身を含む): 165887280

約数和(自身を除く): 93158840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 24907, 49814, 99628, 124535, 199256, 249070, 498140, 996280, 1818211, 3636422, 7272844, 9091055, 14545688, 18182110, 36364220, 72728440]

約数ペア:

[(1, 72728440), (2, 36364220), (4, 18182110), (5, 14545688), (8, 9091055), (10, 7272844), (20, 3636422), (40, 1818211), (73, 996280), (146, 498140), (292, 249070), (365, 199256), (584, 124535), (730, 99628), (1460, 49814), (2920, 24907)]