25689235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 39997440

約数和(自身を除く): 14308205

約数列:

[1, 5, 11, 13, 19, 31, 55, 61, 65, 95, 143, 155, 209, 247, 305, 341, 403, 589, 671, 715, 793, 1045, 1159, 1235, 1705, 1891, 2015, 2717, 2945, 3355, 3965, 4433, 5795, 6479, 7657, 8723, 9455, 12749, 13585, 15067, 20801, 22165, 24583, 32395, 35929, 38285, 43615, 63745, 75335, 84227, 104005, 122915, 165737, 179645, 270413, 395219, 421135, 467077, 828685, 1352065, 1976095, 2335385, 5137847, 25689235]

約数ペア:

[(1, 25689235), (5, 5137847), (11, 2335385), (13, 1976095), (19, 1352065), (31, 828685), (55, 467077), (61, 421135), (65, 395219), (95, 270413), (143, 179645), (155, 165737), (209, 122915), (247, 104005), (305, 84227), (341, 75335), (403, 63745), (589, 43615), (671, 38285), (715, 35929), (793, 32395), (1045, 24583), (1159, 22165), (1235, 20801), (1705, 15067), (1891, 13585), (2015, 12749), (2717, 9455), (2945, 8723), (3355, 7657), (3965, 6479), (4433, 5795)]