28598440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 70963200

約数和(自身を除く): 42364760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1279, 1720, 2236, 2558, 2795, 4472, 5116, 5590, 6395, 10232, 11180, 12790, 16627, 22360, 25580, 33254, 51160, 54997, 66508, 83135, 109994, 133016, 166270, 219988, 274985, 332540, 439976, 549970, 665080, 714961, 1099940, 1429922, 2199880, 2859844, 3574805, 5719688, 7149610, 14299220, 28598440]

約数ペア:

[(1, 28598440), (2, 14299220), (4, 7149610), (5, 5719688), (8, 3574805), (10, 2859844), (13, 2199880), (20, 1429922), (26, 1099940), (40, 714961), (43, 665080), (52, 549970), (65, 439976), (86, 332540), (104, 274985), (130, 219988), (172, 166270), (215, 133016), (260, 109994), (344, 83135), (430, 66508), (520, 54997), (559, 51160), (860, 33254), (1118, 25580), (1279, 22360), (1720, 16627), (2236, 12790), (2558, 11180), (2795, 10232), (4472, 6395), (5116, 5590)]