68265875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 89456640

約数和(自身を除く): 21190765

約数列:

[1, 5, 25, 31, 79, 125, 155, 223, 395, 775, 1115, 1975, 2449, 3875, 5575, 6913, 9875, 12245, 17617, 27875, 34565, 61225, 88085, 172825, 306125, 440425, 546127, 864125, 2202125, 2730635, 13653175, 68265875]

約数ペア:

[(1, 68265875), (5, 13653175), (25, 2730635), (31, 2202125), (79, 864125), (125, 546127), (155, 440425), (223, 306125), (395, 172825), (775, 88085), (1115, 61225), (1975, 34565), (2449, 27875), (3875, 17617), (5575, 12245), (6913, 9875)]