89879975

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:504

約数の個数: 36

約数和(自身を含む): 123023376

約数和(自身を除く): 33143401

約数列:

[1, 5, 19, 23, 25, 95, 115, 361, 433, 437, 475, 575, 1805, 2165, 2185, 8227, 8303, 9025, 9959, 10825, 10925, 41135, 41515, 49795, 156313, 189221, 205675, 207575, 248975, 781565, 946105, 3595199, 3907825, 4730525, 17975995, 89879975]

約数ペア:

[(1, 89879975), (5, 17975995), (19, 4730525), (23, 3907825), (25, 3595199), (95, 946105), (115, 781565), (361, 248975), (433, 207575), (437, 205675), (475, 189221), (575, 156313), (1805, 49795), (2165, 41515), (2185, 41135), (8227, 10925), (8303, 10825), (9025, 9959)]