71319560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137153}}^1$

素因数の和:137177

約数の個数: 32

約数和(自身を含む): 172814040

約数和(自身を除く): 101494480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137153, 274306, 548612, 685765, 1097224, 1371530, 1782989, 2743060, 3565978, 5486120, 7131956, 8914945, 14263912, 17829890, 35659780, 71319560]

約数ペア:

[(1, 71319560), (2, 35659780), (4, 17829890), (5, 14263912), (8, 8914945), (10, 7131956), (13, 5486120), (20, 3565978), (26, 2743060), (40, 1782989), (52, 1371530), (65, 1097224), (104, 685765), (130, 548612), (260, 274306), (520, 137153)]