82779320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159191}}^1$

素因数の和:159215

約数の個数: 32

約数和(自身を含む): 200581920

約数和(自身を除く): 117802600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 159191, 318382, 636764, 795955, 1273528, 1591910, 2069483, 3183820, 4138966, 6367640, 8277932, 10347415, 16555864, 20694830, 41389660, 82779320]

約数ペア:

[(1, 82779320), (2, 41389660), (4, 20694830), (5, 16555864), (8, 10347415), (10, 8277932), (13, 6367640), (20, 4138966), (26, 3183820), (40, 2069483), (52, 1591910), (65, 1273528), (104, 795955), (130, 636764), (260, 318382), (520, 159191)]