26287240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 68060160

約数和(自身を除く): 41772920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 421, 446, 842, 892, 1115, 1561, 1684, 1784, 2105, 2230, 2947, 3122, 3368, 4210, 4460, 5894, 6244, 7805, 8420, 8920, 11788, 12488, 14735, 15610, 16840, 23576, 29470, 31220, 58940, 62440, 93883, 117880, 187766, 375532, 469415, 657181, 751064, 938830, 1314362, 1877660, 2628724, 3285905, 3755320, 5257448, 6571810, 13143620, 26287240]

約数ペア:

[(1, 26287240), (2, 13143620), (4, 6571810), (5, 5257448), (7, 3755320), (8, 3285905), (10, 2628724), (14, 1877660), (20, 1314362), (28, 938830), (35, 751064), (40, 657181), (56, 469415), (70, 375532), (140, 187766), (223, 117880), (280, 93883), (421, 62440), (446, 58940), (842, 31220), (892, 29470), (1115, 23576), (1561, 16840), (1684, 15610), (1784, 14735), (2105, 12488), (2230, 11788), (2947, 8920), (3122, 8420), (3368, 7805), (4210, 6244), (4460, 5894)]