26220970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 51546528

約数和(自身を除く): 25325558

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 211, 215, 289, 422, 430, 578, 731, 1055, 1445, 1462, 2110, 2890, 3587, 3655, 7174, 7310, 9073, 12427, 17935, 18146, 24854, 35870, 45365, 60979, 62135, 90730, 121958, 124270, 154241, 304895, 308482, 609790, 771205, 1542410, 2622097, 5244194, 13110485, 26220970]

約数ペア:

[(1, 26220970), (2, 13110485), (5, 5244194), (10, 2622097), (17, 1542410), (34, 771205), (43, 609790), (85, 308482), (86, 304895), (170, 154241), (211, 124270), (215, 121958), (289, 90730), (422, 62135), (430, 60979), (578, 45365), (731, 35870), (1055, 24854), (1445, 18146), (1462, 17935), (2110, 12427), (2890, 9073), (3587, 7310), (3655, 7174)]