40164995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{643}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 53717328

約数和(自身を除く): 13552333

約数列:

[1, 5, 13, 31, 65, 155, 403, 643, 961, 2015, 3215, 4805, 8359, 12493, 19933, 41795, 62465, 99665, 259129, 617923, 1295645, 3089615, 8032999, 40164995]

約数ペア:

[(1, 40164995), (5, 8032999), (13, 3089615), (31, 1295645), (65, 617923), (155, 259129), (403, 99665), (643, 62465), (961, 41795), (2015, 19933), (3215, 12493), (4805, 8359)]