71353880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137219}}^1$

素因数の和:137243

約数の個数: 32

約数和(自身を含む): 172897200

約数和(自身を除く): 101543320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137219, 274438, 548876, 686095, 1097752, 1372190, 1783847, 2744380, 3567694, 5488760, 7135388, 8919235, 14270776, 17838470, 35676940, 71353880]

約数ペア:

[(1, 71353880), (2, 35676940), (4, 17838470), (5, 14270776), (8, 8919235), (10, 7135388), (13, 5488760), (20, 3567694), (26, 2744380), (40, 1783847), (52, 1372190), (65, 1097752), (104, 686095), (130, 548876), (260, 274438), (520, 137219)]