1428400480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{686731}}^1$

素因数の和:686759

約数の個数: 48

約数和(自身を含む): 3634185744

約数和(自身を除く): 2205785264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 686731, 1373462, 2746924, 3433655, 5493848, 6867310, 8927503, 10987696, 13734620, 17855006, 21975392, 27469240, 35710012, 44637515, 54938480, 71420024, 89275030, 109876960, 142840048, 178550060, 285680096, 357100120, 714200240, 1428400480]

約数ペア:

[(1, 1428400480), (2, 714200240), (4, 357100120), (5, 285680096), (8, 178550060), (10, 142840048), (13, 109876960), (16, 89275030), (20, 71420024), (26, 54938480), (32, 44637515), (40, 35710012), (52, 27469240), (65, 21975392), (80, 17855006), (104, 13734620), (130, 10987696), (160, 8927503), (208, 6867310), (260, 5493848), (416, 3433655), (520, 2746924), (1040, 1373462), (2080, 686731)]