28670525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4643}}^1$

素因数の和:4685

約数の個数: 24

約数和(自身を含む): 40309920

約数和(自身を除く): 11639395

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 4643, 6175, 23215, 60359, 88217, 116075, 301795, 441085, 1146821, 1508975, 2205425, 5734105, 28670525]

約数ペア:

[(1, 28670525), (5, 5734105), (13, 2205425), (19, 1508975), (25, 1146821), (65, 441085), (95, 301795), (247, 116075), (325, 88217), (475, 60359), (1235, 23215), (4643, 6175)]