66906760

素因数分解:

$2^3\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1361}}^1$

素因数の和:2601

約数の個数: 32

約数和(自身を含む): 150773400

約数和(自身を除く): 83866640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1229, 1361, 2458, 2722, 4916, 5444, 6145, 6805, 9832, 10888, 12290, 13610, 24580, 27220, 49160, 54440, 1672669, 3345338, 6690676, 8363345, 13381352, 16726690, 33453380, 66906760]

約数ペア:

[(1, 66906760), (2, 33453380), (4, 16726690), (5, 13381352), (8, 8363345), (10, 6690676), (20, 3345338), (40, 1672669), (1229, 54440), (1361, 49160), (2458, 27220), (2722, 24580), (4916, 13610), (5444, 12290), (6145, 10888), (6805, 9832)]