166263760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159869}}^1$

素因数の和:159895

約数の個数: 40

約数和(自身を含む): 416301480

約数和(自身を除く): 250037720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 159869, 319738, 639476, 799345, 1278952, 1598690, 2078297, 2557904, 3197380, 4156594, 6394760, 8313188, 10391485, 12789520, 16626376, 20782970, 33252752, 41565940, 83131880, 166263760]

約数ペア:

[(1, 166263760), (2, 83131880), (4, 41565940), (5, 33252752), (8, 20782970), (10, 16626376), (13, 12789520), (16, 10391485), (20, 8313188), (26, 6394760), (40, 4156594), (52, 3197380), (65, 2557904), (80, 2078297), (104, 1598690), (130, 1278952), (208, 799345), (260, 639476), (520, 319738), (1040, 159869)]