25175260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 59256288

約数和(自身を除く): 34081028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 103, 110, 121, 202, 206, 220, 242, 404, 412, 484, 505, 515, 605, 1010, 1030, 1111, 1133, 1210, 2020, 2060, 2222, 2266, 2420, 4444, 4532, 5555, 5665, 10403, 11110, 11330, 12221, 12463, 20806, 22220, 22660, 24442, 24926, 41612, 48884, 49852, 52015, 61105, 62315, 104030, 114433, 122210, 124630, 208060, 228866, 244420, 249260, 457732, 572165, 1144330, 1258763, 2288660, 2517526, 5035052, 6293815, 12587630, 25175260]

約数ペア:

[(1, 25175260), (2, 12587630), (4, 6293815), (5, 5035052), (10, 2517526), (11, 2288660), (20, 1258763), (22, 1144330), (44, 572165), (55, 457732), (101, 249260), (103, 244420), (110, 228866), (121, 208060), (202, 124630), (206, 122210), (220, 114433), (242, 104030), (404, 62315), (412, 61105), (484, 52015), (505, 49852), (515, 48884), (605, 41612), (1010, 24926), (1030, 24442), (1111, 22660), (1133, 22220), (1210, 20806), (2020, 12463), (2060, 12221), (2222, 11330), (2266, 11110), (2420, 10403), (4444, 5665), (4532, 5555)]