80885825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 110992896

約数和(自身を除く): 30107071

約数列:

[1, 5, 23, 25, 41, 47, 73, 115, 205, 235, 365, 575, 943, 1025, 1081, 1175, 1679, 1825, 1927, 2993, 3431, 4715, 5405, 8395, 9635, 14965, 17155, 23575, 27025, 41975, 44321, 48175, 68839, 74825, 78913, 85775, 140671, 221605, 344195, 394565, 703355, 1108025, 1720975, 1972825, 3235433, 3516775, 16177165, 80885825]

約数ペア:

[(1, 80885825), (5, 16177165), (23, 3516775), (25, 3235433), (41, 1972825), (47, 1720975), (73, 1108025), (115, 703355), (205, 394565), (235, 344195), (365, 221605), (575, 140671), (943, 85775), (1025, 78913), (1081, 74825), (1175, 68839), (1679, 48175), (1825, 44321), (1927, 41975), (2993, 27025), (3431, 23575), (4715, 17155), (5405, 14965), (8395, 9635)]