80125985

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 103783680

約数和(自身を除く): 23657695

約数列:

[1, 5, 29, 43, 71, 145, 181, 215, 355, 905, 1247, 2059, 3053, 5249, 6235, 7783, 10295, 12851, 15265, 26245, 38915, 64255, 88537, 225707, 372679, 442685, 552593, 1128535, 1863395, 2762965, 16025197, 80125985]

約数ペア:

[(1, 80125985), (5, 16025197), (29, 2762965), (43, 1863395), (71, 1128535), (145, 552593), (181, 442685), (215, 372679), (355, 225707), (905, 88537), (1247, 64255), (2059, 38915), (3053, 26245), (5249, 15265), (6235, 12851), (7783, 10295)]