1331250440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{5779}}^1$

素因数の和:6246

約数の個数: 64

約数和(自身を含む): 3233563200

約数和(自身を除く): 1902312760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 443, 520, 886, 1772, 2215, 3544, 4430, 5759, 5779, 8860, 11518, 11558, 17720, 23036, 23116, 28795, 28895, 46072, 46232, 57590, 57790, 75127, 115180, 115580, 150254, 230360, 231160, 300508, 375635, 601016, 751270, 1502540, 2560097, 3005080, 5120194, 10240388, 12800485, 20480776, 25600970, 33281261, 51201940, 66562522, 102403880, 133125044, 166406305, 266250088, 332812610, 665625220, 1331250440]

約数ペア:

[(1, 1331250440), (2, 665625220), (4, 332812610), (5, 266250088), (8, 166406305), (10, 133125044), (13, 102403880), (20, 66562522), (26, 51201940), (40, 33281261), (52, 25600970), (65, 20480776), (104, 12800485), (130, 10240388), (260, 5120194), (443, 3005080), (520, 2560097), (886, 1502540), (1772, 751270), (2215, 601016), (3544, 375635), (4430, 300508), (5759, 231160), (5779, 230360), (8860, 150254), (11518, 115580), (11558, 115180), (17720, 75127), (23036, 57790), (23116, 57590), (28795, 46232), (28895, 46072)]