80028280

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{5573}}^1$

素因数の和:5943

約数の個数: 32

約数和(自身を含む): 180597600

約数和(自身を除く): 100569320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 5573, 7180, 11146, 14360, 22292, 27865, 44584, 55730, 111460, 222920, 2000707, 4001414, 8002828, 10003535, 16005656, 20007070, 40014140, 80028280]

約数ペア:

[(1, 80028280), (2, 40014140), (4, 20007070), (5, 16005656), (8, 10003535), (10, 8002828), (20, 4001414), (40, 2000707), (359, 222920), (718, 111460), (1436, 55730), (1795, 44584), (2872, 27865), (3590, 22292), (5573, 14360), (7180, 11146)]