25349648

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1367}}^1$

素因数の和:1455

約数の個数: 40

約数和(自身を含む): 52585920

約数和(自身を除く): 27236272

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 1367, 2318, 2734, 4636, 5468, 9272, 10936, 18544, 21872, 25973, 51946, 83387, 103892, 166774, 207784, 333548, 415568, 667096, 1334192, 1584353, 3168706, 6337412, 12674824, 25349648]

約数ペア:

[(1, 25349648), (2, 12674824), (4, 6337412), (8, 3168706), (16, 1584353), (19, 1334192), (38, 667096), (61, 415568), (76, 333548), (122, 207784), (152, 166774), (244, 103892), (304, 83387), (488, 51946), (976, 25973), (1159, 21872), (1367, 18544), (2318, 10936), (2734, 9272), (4636, 5468)]