7783120

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{359}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 18213120

約数和(自身を除く): 10430000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 359, 542, 718, 1084, 1355, 1436, 1795, 2168, 2710, 2872, 3590, 4336, 5420, 5744, 7180, 10840, 14360, 21680, 28720, 97289, 194578, 389156, 486445, 778312, 972890, 1556624, 1945780, 3891560, 7783120]

約数ペア:

[(1, 7783120), (2, 3891560), (4, 1945780), (5, 1556624), (8, 972890), (10, 778312), (16, 486445), (20, 389156), (40, 194578), (80, 97289), (271, 28720), (359, 21680), (542, 14360), (718, 10840), (1084, 7180), (1355, 5744), (1436, 5420), (1795, 4336), (2168, 3590), (2710, 2872)]