25576850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 54566820

約数和(自身を除く): 28989970

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 109, 130, 190, 218, 247, 325, 361, 475, 494, 545, 650, 722, 950, 1090, 1235, 1417, 1805, 2071, 2470, 2725, 2834, 3610, 4142, 4693, 5450, 6175, 7085, 9025, 9386, 10355, 12350, 14170, 18050, 20710, 23465, 26923, 35425, 39349, 46930, 51775, 53846, 70850, 78698, 103550, 117325, 134615, 196745, 234650, 269230, 393490, 511537, 673075, 983725, 1023074, 1346150, 1967450, 2557685, 5115370, 12788425, 25576850]

約数ペア:

[(1, 25576850), (2, 12788425), (5, 5115370), (10, 2557685), (13, 1967450), (19, 1346150), (25, 1023074), (26, 983725), (38, 673075), (50, 511537), (65, 393490), (95, 269230), (109, 234650), (130, 196745), (190, 134615), (218, 117325), (247, 103550), (325, 78698), (361, 70850), (475, 53846), (494, 51775), (545, 46930), (650, 39349), (722, 35425), (950, 26923), (1090, 23465), (1235, 20710), (1417, 18050), (1805, 14170), (2071, 12350), (2470, 10355), (2725, 9386), (2834, 9025), (3610, 7085), (4142, 6175), (4693, 5450)]