71565020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4007}}^1$

素因数の和:4082

約数の個数: 48

約数和(自身を含む): 161602560

約数和(自身を除く): 90037540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4007, 4465, 8014, 8930, 16028, 17860, 20035, 40070, 76133, 80140, 152266, 188329, 304532, 376658, 380665, 753316, 761330, 941645, 1522660, 1883290, 3578251, 3766580, 7156502, 14313004, 17891255, 35782510, 71565020]

約数ペア:

[(1, 71565020), (2, 35782510), (4, 17891255), (5, 14313004), (10, 7156502), (19, 3766580), (20, 3578251), (38, 1883290), (47, 1522660), (76, 941645), (94, 761330), (95, 753316), (188, 380665), (190, 376658), (235, 304532), (380, 188329), (470, 152266), (893, 80140), (940, 76133), (1786, 40070), (3572, 20035), (4007, 17860), (4465, 16028), (8014, 8930)]