20161762040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72006293}}^1$

素因数の和:72006311

約数の個数: 32

約数和(自身を含む): 51844531680

約数和(自身を除く): 31682769640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72006293, 144012586, 288025172, 360031465, 504044051, 576050344, 720062930, 1008088102, 1440125860, 2016176204, 2520220255, 2880251720, 4032352408, 5040440510, 10080881020, 20161762040]

約数ペア:

[(1, 20161762040), (2, 10080881020), (4, 5040440510), (5, 4032352408), (7, 2880251720), (8, 2520220255), (10, 2016176204), (14, 1440125860), (20, 1008088102), (28, 720062930), (35, 576050344), (40, 504044051), (56, 360031465), (70, 288025172), (140, 144012586), (280, 72006293)]