25915136

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{599}}^1$

素因数の和:641

約数の個数: 54

約数和(自身を含む): 56107800

約数和(自身を除く): 30192664

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 599, 676, 832, 1198, 1352, 1664, 2396, 2704, 3328, 4792, 5408, 7787, 9584, 10816, 15574, 19168, 21632, 31148, 38336, 43264, 62296, 76672, 101231, 124592, 153344, 202462, 249184, 404924, 498368, 809848, 996736, 1619696, 1993472, 3239392, 6478784, 12957568, 25915136]

約数ペア:

[(1, 25915136), (2, 12957568), (4, 6478784), (8, 3239392), (13, 1993472), (16, 1619696), (26, 996736), (32, 809848), (52, 498368), (64, 404924), (104, 249184), (128, 202462), (169, 153344), (208, 124592), (256, 101231), (338, 76672), (416, 62296), (599, 43264), (676, 38336), (832, 31148), (1198, 21632), (1352, 19168), (1664, 15574), (2396, 10816), (2704, 9584), (3328, 7787), (4792, 5408)]