81265210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{27179}}^1$

素因数の和:27222

約数の個数: 32

約数和(自身を含む): 164384640

約数和(自身を除く): 83119430

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 27179, 54358, 135895, 271790, 353327, 625117, 706654, 1250234, 1766635, 3125585, 3533270, 6251170, 8126521, 16253042, 40632605, 81265210]

約数ペア:

[(1, 81265210), (2, 40632605), (5, 16253042), (10, 8126521), (13, 6251170), (23, 3533270), (26, 3125585), (46, 1766635), (65, 1250234), (115, 706654), (130, 625117), (230, 353327), (299, 271790), (598, 135895), (1495, 54358), (2990, 27179)]