80493790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{26921}}^1$

素因数の和:26964

約数の個数: 32

約数和(自身を含む): 162824256

約数和(自身を除く): 82330466

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 26921, 53842, 134605, 269210, 349973, 619183, 699946, 1238366, 1749865, 3095915, 3499730, 6191830, 8049379, 16098758, 40246895, 80493790]

約数ペア:

[(1, 80493790), (2, 40246895), (5, 16098758), (10, 8049379), (13, 6191830), (23, 3499730), (26, 3095915), (46, 1749865), (65, 1238366), (115, 699946), (130, 619183), (230, 349973), (299, 269210), (598, 134605), (1495, 53842), (2990, 26921)]