71281160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 171331200

約数和(自身を除く): 100050040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1321, 1349, 1420, 2642, 2698, 2840, 5284, 5396, 6605, 6745, 10568, 10792, 13210, 13490, 25099, 26420, 26980, 50198, 52840, 53960, 93791, 100396, 125495, 187582, 200792, 250990, 375164, 468955, 501980, 750328, 937910, 1003960, 1782029, 1875820, 3564058, 3751640, 7128116, 8910145, 14256232, 17820290, 35640580, 71281160]

約数ペア:

[(1, 71281160), (2, 35640580), (4, 17820290), (5, 14256232), (8, 8910145), (10, 7128116), (19, 3751640), (20, 3564058), (38, 1875820), (40, 1782029), (71, 1003960), (76, 937910), (95, 750328), (142, 501980), (152, 468955), (190, 375164), (284, 250990), (355, 200792), (380, 187582), (568, 125495), (710, 100396), (760, 93791), (1321, 53960), (1349, 52840), (1420, 50198), (2642, 26980), (2698, 26420), (2840, 25099), (5284, 13490), (5396, 13210), (6605, 10792), (6745, 10568)]