30803720

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1531}}^1$

素因数の和:2045

約数の個数: 32

約数和(自身を含む): 69491520

約数和(自身を除く): 38687800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 1531, 2012, 2515, 3062, 4024, 5030, 6124, 7655, 10060, 12248, 15310, 20120, 30620, 61240, 770093, 1540186, 3080372, 3850465, 6160744, 7700930, 15401860, 30803720]

約数ペア:

[(1, 30803720), (2, 15401860), (4, 7700930), (5, 6160744), (8, 3850465), (10, 3080372), (20, 1540186), (40, 770093), (503, 61240), (1006, 30620), (1531, 20120), (2012, 15310), (2515, 12248), (3062, 10060), (4024, 7655), (5030, 6124)]