5638840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2311}}^1$

素因数の和:2383

約数の個数: 32

約数和(自身を含む): 12900960

約数和(自身を除く): 7262120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2311, 2440, 4622, 9244, 11555, 18488, 23110, 46220, 92440, 140971, 281942, 563884, 704855, 1127768, 1409710, 2819420, 5638840]

約数ペア:

[(1, 5638840), (2, 2819420), (4, 1409710), (5, 1127768), (8, 704855), (10, 563884), (20, 281942), (40, 140971), (61, 92440), (122, 46220), (244, 23110), (305, 18488), (488, 11555), (610, 9244), (1220, 4622), (2311, 2440)]