53338040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2683}}^1$

素因数の和:2772

約数の個数: 64

約数和(自身を含む): 139138560

約数和(自身を除く): 85800520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2683, 2840, 3976, 4970, 5366, 9940, 10732, 13415, 18781, 19880, 21464, 26830, 37562, 53660, 75124, 93905, 107320, 150248, 187810, 190493, 375620, 380986, 751240, 761972, 952465, 1333451, 1523944, 1904930, 2666902, 3809860, 5333804, 6667255, 7619720, 10667608, 13334510, 26669020, 53338040]

約数ペア:

[(1, 53338040), (2, 26669020), (4, 13334510), (5, 10667608), (7, 7619720), (8, 6667255), (10, 5333804), (14, 3809860), (20, 2666902), (28, 1904930), (35, 1523944), (40, 1333451), (56, 952465), (70, 761972), (71, 751240), (140, 380986), (142, 375620), (280, 190493), (284, 187810), (355, 150248), (497, 107320), (568, 93905), (710, 75124), (994, 53660), (1420, 37562), (1988, 26830), (2485, 21464), (2683, 19880), (2840, 18781), (3976, 13415), (4970, 10732), (5366, 9940)]