80345800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12959}}^1$

素因数の和:13006

約数の個数: 48

約数和(自身を含む): 192844800

約数和(自身を除く): 112499000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 12959, 25918, 51836, 64795, 103672, 129590, 259180, 323975, 401729, 518360, 647950, 803458, 1295900, 1606916, 2008645, 2591800, 3213832, 4017290, 8034580, 10043225, 16069160, 20086450, 40172900, 80345800]

約数ペア:

[(1, 80345800), (2, 40172900), (4, 20086450), (5, 16069160), (8, 10043225), (10, 8034580), (20, 4017290), (25, 3213832), (31, 2591800), (40, 2008645), (50, 1606916), (62, 1295900), (100, 803458), (124, 647950), (155, 518360), (200, 401729), (248, 323975), (310, 259180), (620, 129590), (775, 103672), (1240, 64795), (1550, 51836), (3100, 25918), (6200, 12959)]