1301156720

素因数分解:

$2^4\times 5^1\times {\mathrm{16264459}}^1$

素因数の和:16264472

約数の個数: 20

約数和(自身を含む): 3025189560

約数和(自身を除く): 1724032840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16264459, 32528918, 65057836, 81322295, 130115672, 162644590, 260231344, 325289180, 650578360, 1301156720]

約数ペア:

[(1, 1301156720), (2, 650578360), (4, 325289180), (5, 260231344), (8, 162644590), (10, 130115672), (16, 81322295), (20, 65057836), (40, 32528918), (80, 16264459)]