2013440680

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{51521}}^1$

素因数の和:52509

約数の個数: 32

約数和(自身を含む): 4534966440

約数和(自身を除く): 2521525760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1954, 3908, 4885, 7816, 9770, 19540, 39080, 51521, 103042, 206084, 257605, 412168, 515210, 1030420, 2060840, 50336017, 100672034, 201344068, 251680085, 402688136, 503360170, 1006720340, 2013440680]

約数ペア:

[(1, 2013440680), (2, 1006720340), (4, 503360170), (5, 402688136), (8, 251680085), (10, 201344068), (20, 100672034), (40, 50336017), (977, 2060840), (1954, 1030420), (3908, 515210), (4885, 412168), (7816, 257605), (9770, 206084), (19540, 103042), (39080, 51521)]