39980135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6911}}^1$

素因数の和:7018

約数の個数: 16

約数和(自身を含む): 52254720

約数和(自身を除く): 12274585

約数列:

[1, 5, 13, 65, 89, 445, 1157, 5785, 6911, 34555, 89843, 449215, 615079, 3075395, 7996027, 39980135]

約数ペア:

[(1, 39980135), (5, 7996027), (13, 3075395), (65, 615079), (89, 449215), (445, 89843), (1157, 34555), (5785, 6911)]