16422280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 42768000

約数和(自身を除く): 26345720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 659, 712, 890, 1246, 1318, 1780, 2492, 2636, 3115, 3295, 3560, 4613, 4984, 5272, 6230, 6590, 9226, 12460, 13180, 18452, 23065, 24920, 26360, 36904, 46130, 58651, 92260, 117302, 184520, 234604, 293255, 410557, 469208, 586510, 821114, 1173020, 1642228, 2052785, 2346040, 3284456, 4105570, 8211140, 16422280]

約数ペア:

[(1, 16422280), (2, 8211140), (4, 4105570), (5, 3284456), (7, 2346040), (8, 2052785), (10, 1642228), (14, 1173020), (20, 821114), (28, 586510), (35, 469208), (40, 410557), (56, 293255), (70, 234604), (89, 184520), (140, 117302), (178, 92260), (280, 58651), (356, 46130), (445, 36904), (623, 26360), (659, 24920), (712, 23065), (890, 18452), (1246, 13180), (1318, 12460), (1780, 9226), (2492, 6590), (2636, 6230), (3115, 5272), (3295, 4984), (3560, 4613)]