39176890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 72264960

約数和(自身を除く): 33088070

約数列:

[1, 2, 5, 10, 79, 101, 158, 202, 395, 491, 505, 790, 982, 1010, 2455, 4910, 7979, 15958, 38789, 39895, 49591, 77578, 79790, 99182, 193945, 247955, 387890, 495910, 3917689, 7835378, 19588445, 39176890]

約数ペア:

[(1, 39176890), (2, 19588445), (5, 7835378), (10, 3917689), (79, 495910), (101, 387890), (158, 247955), (202, 193945), (395, 99182), (491, 79790), (505, 77578), (790, 49591), (982, 39895), (1010, 38789), (2455, 15958), (4910, 7979)]