12443750

素因数分解:

$2^1\times 5^5\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 25592112

約数和(自身を除く): 13148362

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 181, 250, 275, 362, 550, 625, 905, 1250, 1375, 1810, 1991, 2750, 3125, 3982, 4525, 6250, 6875, 9050, 9955, 13750, 19910, 22625, 34375, 45250, 49775, 68750, 99550, 113125, 226250, 248875, 497750, 565625, 1131250, 1244375, 2488750, 6221875, 12443750]

約数ペア:

[(1, 12443750), (2, 6221875), (5, 2488750), (10, 1244375), (11, 1131250), (22, 565625), (25, 497750), (50, 248875), (55, 226250), (110, 113125), (125, 99550), (181, 68750), (250, 49775), (275, 45250), (362, 34375), (550, 22625), (625, 19910), (905, 13750), (1250, 9955), (1375, 9050), (1810, 6875), (1991, 6250), (2750, 4525), (3125, 3982)]