7801040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{577}}^1$

素因数の和:616

約数の個数: 60

約数和(自身を含む): 19673964

約数和(自身を除く): 11872924

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 577, 676, 845, 1040, 1154, 1352, 1690, 2308, 2704, 2885, 3380, 4616, 5770, 6760, 7501, 9232, 11540, 13520, 15002, 23080, 30004, 37505, 46160, 60008, 75010, 97513, 120016, 150020, 195026, 300040, 390052, 487565, 600080, 780104, 975130, 1560208, 1950260, 3900520, 7801040]

約数ペア:

[(1, 7801040), (2, 3900520), (4, 1950260), (5, 1560208), (8, 975130), (10, 780104), (13, 600080), (16, 487565), (20, 390052), (26, 300040), (40, 195026), (52, 150020), (65, 120016), (80, 97513), (104, 75010), (130, 60008), (169, 46160), (208, 37505), (260, 30004), (338, 23080), (520, 15002), (577, 13520), (676, 11540), (845, 9232), (1040, 7501), (1154, 6760), (1352, 5770), (1690, 4616), (2308, 3380), (2704, 2885)]