25375340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 55847232

約数和(自身を除く): 30471892

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 647, 740, 1060, 1294, 1961, 2588, 3235, 3922, 6470, 7844, 9805, 12940, 19610, 23939, 34291, 39220, 47878, 68582, 95756, 119695, 137164, 171455, 239390, 342910, 478780, 685820, 1268767, 2537534, 5075068, 6343835, 12687670, 25375340]

約数ペア:

[(1, 25375340), (2, 12687670), (4, 6343835), (5, 5075068), (10, 2537534), (20, 1268767), (37, 685820), (53, 478780), (74, 342910), (106, 239390), (148, 171455), (185, 137164), (212, 119695), (265, 95756), (370, 68582), (530, 47878), (647, 39220), (740, 34291), (1060, 23939), (1294, 19610), (1961, 12940), (2588, 9805), (3235, 7844), (3922, 6470)]