25103390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 53089344

約数和(自身を除く): 27985954

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 37, 65, 74, 85, 130, 170, 185, 221, 307, 370, 442, 481, 614, 629, 962, 1105, 1258, 1535, 2210, 2405, 3070, 3145, 3991, 4810, 5219, 6290, 7982, 8177, 10438, 11359, 16354, 19955, 22718, 26095, 39910, 40885, 52190, 56795, 67847, 81770, 113590, 135694, 147667, 193103, 295334, 339235, 386206, 678470, 738335, 965515, 1476670, 1931030, 2510339, 5020678, 12551695, 25103390]

約数ペア:

[(1, 25103390), (2, 12551695), (5, 5020678), (10, 2510339), (13, 1931030), (17, 1476670), (26, 965515), (34, 738335), (37, 678470), (65, 386206), (74, 339235), (85, 295334), (130, 193103), (170, 147667), (185, 135694), (221, 113590), (307, 81770), (370, 67847), (442, 56795), (481, 52190), (614, 40885), (629, 39910), (962, 26095), (1105, 22718), (1258, 19955), (1535, 16354), (2210, 11359), (2405, 10438), (3070, 8177), (3145, 7982), (3991, 6290), (4810, 5219)]