25825720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 62169120

約数和(自身を除く): 36343400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 233, 326, 340, 466, 652, 680, 815, 932, 1165, 1304, 1630, 1864, 2330, 2771, 3260, 3961, 4660, 5542, 6520, 7922, 9320, 11084, 13855, 15844, 19805, 22168, 27710, 31688, 37979, 39610, 55420, 75958, 79220, 110840, 151916, 158440, 189895, 303832, 379790, 645643, 759580, 1291286, 1519160, 2582572, 3228215, 5165144, 6456430, 12912860, 25825720]

約数ペア:

[(1, 25825720), (2, 12912860), (4, 6456430), (5, 5165144), (8, 3228215), (10, 2582572), (17, 1519160), (20, 1291286), (34, 759580), (40, 645643), (68, 379790), (85, 303832), (136, 189895), (163, 158440), (170, 151916), (233, 110840), (326, 79220), (340, 75958), (466, 55420), (652, 39610), (680, 37979), (815, 31688), (932, 27710), (1165, 22168), (1304, 19805), (1630, 15844), (1864, 13855), (2330, 11084), (2771, 9320), (3260, 7922), (3961, 6520), (4660, 5542)]