128889125

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 169648128

約数和(自身を除く): 40759003

約数列:

[1, 5, 23, 25, 115, 125, 127, 353, 575, 635, 1765, 2875, 2921, 3175, 8119, 8825, 14605, 15875, 40595, 44125, 44831, 73025, 202975, 224155, 365125, 1014875, 1031113, 1120775, 5155565, 5603875, 25777825, 128889125]

約数ペア:

[(1, 128889125), (5, 25777825), (23, 5603875), (25, 5155565), (115, 1120775), (125, 1031113), (127, 1014875), (353, 365125), (575, 224155), (635, 202975), (1765, 73025), (2875, 44831), (2921, 44125), (3175, 40595), (8119, 15875), (8825, 14605)]