67845040

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1283}}^1$

素因数の和:1957

約数の個数: 40

約数和(自身を含む): 158101488

約数和(自身を除く): 90256448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1283, 1322, 2566, 2644, 3305, 5132, 5288, 6415, 6610, 10264, 10576, 12830, 13220, 20528, 25660, 26440, 51320, 52880, 102640, 848063, 1696126, 3392252, 4240315, 6784504, 8480630, 13569008, 16961260, 33922520, 67845040]

約数ペア:

[(1, 67845040), (2, 33922520), (4, 16961260), (5, 13569008), (8, 8480630), (10, 6784504), (16, 4240315), (20, 3392252), (40, 1696126), (80, 848063), (661, 102640), (1283, 52880), (1322, 51320), (2566, 26440), (2644, 25660), (3305, 20528), (5132, 13220), (5288, 12830), (6415, 10576), (6610, 10264)]