71316440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137147}}^1$

素因数の和:137171

約数の個数: 32

約数和(自身を含む): 172806480

約数和(自身を除く): 101490040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137147, 274294, 548588, 685735, 1097176, 1371470, 1782911, 2742940, 3565822, 5485880, 7131644, 8914555, 14263288, 17829110, 35658220, 71316440]

約数ペア:

[(1, 71316440), (2, 35658220), (4, 17829110), (5, 14263288), (8, 8914555), (10, 7131644), (13, 5485880), (20, 3565822), (26, 2742940), (40, 1782911), (52, 1371470), (65, 1097176), (104, 685735), (130, 548588), (260, 274294), (520, 137147)]