26669020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2683}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 64931328

約数和(自身を除く): 38262308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 2683, 4970, 5366, 9940, 10732, 13415, 18781, 26830, 37562, 53660, 75124, 93905, 187810, 190493, 375620, 380986, 761972, 952465, 1333451, 1904930, 2666902, 3809860, 5333804, 6667255, 13334510, 26669020]

約数ペア:

[(1, 26669020), (2, 13334510), (4, 6667255), (5, 5333804), (7, 3809860), (10, 2666902), (14, 1904930), (20, 1333451), (28, 952465), (35, 761972), (70, 380986), (71, 375620), (140, 190493), (142, 187810), (284, 93905), (355, 75124), (497, 53660), (710, 37562), (994, 26830), (1420, 18781), (1988, 13415), (2485, 10732), (2683, 9940), (4970, 5366)]