820182128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{28027}}^1$

素因数の和:28125

約数の個数: 40

約数和(自身を含む): 1668226560

約数和(自身を除く): 848044432

約数列:

[1, 2, 4, 8, 16, 31, 59, 62, 118, 124, 236, 248, 472, 496, 944, 1829, 3658, 7316, 14632, 28027, 29264, 56054, 112108, 224216, 448432, 868837, 1653593, 1737674, 3307186, 3475348, 6614372, 6950696, 13228744, 13901392, 26457488, 51261383, 102522766, 205045532, 410091064, 820182128]

約数ペア:

[(1, 820182128), (2, 410091064), (4, 205045532), (8, 102522766), (16, 51261383), (31, 26457488), (59, 13901392), (62, 13228744), (118, 6950696), (124, 6614372), (236, 3475348), (248, 3307186), (472, 1737674), (496, 1653593), (944, 868837), (1829, 448432), (3658, 224216), (7316, 112108), (14632, 56054), (28027, 29264)]