25466272

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:330

約数の個数: 72

約数和(自身を含む): 57691116

約数和(自身を除く): 32224844

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 169, 208, 221, 272, 277, 338, 416, 442, 544, 554, 676, 884, 1108, 1352, 1768, 2216, 2704, 2873, 3536, 3601, 4432, 4709, 5408, 5746, 7072, 7202, 8864, 9418, 11492, 14404, 18836, 22984, 28808, 37672, 45968, 46813, 57616, 61217, 75344, 91936, 93626, 115232, 122434, 150688, 187252, 244868, 374504, 489736, 749008, 795821, 979472, 1498016, 1591642, 1958944, 3183284, 6366568, 12733136, 25466272]

約数ペア:

[(1, 25466272), (2, 12733136), (4, 6366568), (8, 3183284), (13, 1958944), (16, 1591642), (17, 1498016), (26, 979472), (32, 795821), (34, 749008), (52, 489736), (68, 374504), (104, 244868), (136, 187252), (169, 150688), (208, 122434), (221, 115232), (272, 93626), (277, 91936), (338, 75344), (416, 61217), (442, 57616), (544, 46813), (554, 45968), (676, 37672), (884, 28808), (1108, 22984), (1352, 18836), (1768, 14404), (2216, 11492), (2704, 9418), (2873, 8864), (3536, 7202), (3601, 7072), (4432, 5746), (4709, 5408)]