678045160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1303933}}^1$

素因数の和:1303957

約数の個数: 32

約数和(自身を含む): 1642956840

約数和(自身を除く): 964911680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1303933, 2607866, 5215732, 6519665, 10431464, 13039330, 16951129, 26078660, 33902258, 52157320, 67804516, 84755645, 135609032, 169511290, 339022580, 678045160]

約数ペア:

[(1, 678045160), (2, 339022580), (4, 169511290), (5, 135609032), (8, 84755645), (10, 67804516), (13, 52157320), (20, 33902258), (26, 26078660), (40, 16951129), (52, 13039330), (65, 10431464), (104, 6519665), (130, 5215732), (260, 2607866), (520, 1303933)]