80977910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1523}}^1$

素因数の和:1952

約数の個数: 32

約数和(自身を含む): 157459680

約数和(自身を除く): 76481770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 818, 1523, 2045, 3046, 4090, 5317, 7615, 10634, 15230, 19799, 26585, 39598, 53170, 98995, 197990, 622907, 1245814, 3114535, 6229070, 8097791, 16195582, 40488955, 80977910]

約数ペア:

[(1, 80977910), (2, 40488955), (5, 16195582), (10, 8097791), (13, 6229070), (26, 3114535), (65, 1245814), (130, 622907), (409, 197990), (818, 98995), (1523, 53170), (2045, 39598), (3046, 26585), (4090, 19799), (5317, 15230), (7615, 10634)]