78828156940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{799961}}^1$

素因数の和:800362

約数の個数: 48

約数和(自身を含む): 178743509280

約数和(自身を除く): 99915352340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 1516, 1895, 3790, 4927, 7580, 9854, 19708, 24635, 49270, 98540, 799961, 1599922, 3199844, 3999805, 7999610, 10399493, 15999220, 20798986, 41597972, 51997465, 103994930, 207989860, 303185219, 606370438, 1212740876, 1515926095, 3031852190, 3941407847, 6063704380, 7882815694, 15765631388, 19707039235, 39414078470, 78828156940]

約数ペア:

[(1, 78828156940), (2, 39414078470), (4, 19707039235), (5, 15765631388), (10, 7882815694), (13, 6063704380), (20, 3941407847), (26, 3031852190), (52, 1515926095), (65, 1212740876), (130, 606370438), (260, 303185219), (379, 207989860), (758, 103994930), (1516, 51997465), (1895, 41597972), (3790, 20798986), (4927, 15999220), (7580, 10399493), (9854, 7999610), (19708, 3999805), (24635, 3199844), (49270, 1599922), (98540, 799961)]