26720135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 36747648

約数和(自身を除く): 10027513

約数列:

[1, 5, 13, 23, 61, 65, 115, 293, 299, 305, 793, 1403, 1465, 1495, 3809, 3965, 6739, 7015, 17873, 18239, 19045, 33695, 87607, 89365, 91195, 232349, 411079, 438035, 1161745, 2055395, 5344027, 26720135]

約数ペア:

[(1, 26720135), (5, 5344027), (13, 2055395), (23, 1161745), (61, 438035), (65, 411079), (115, 232349), (293, 91195), (299, 89365), (305, 87607), (793, 33695), (1403, 19045), (1465, 18239), (1495, 17873), (3809, 7015), (3965, 6739)]