84065840

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11807}}^1$

素因数の和:11909

約数の個数: 40

約数和(自身を含む): 197665920

約数和(自身を除く): 113600080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 11807, 23614, 47228, 59035, 94456, 118070, 188912, 236140, 472280, 944560, 1050823, 2101646, 4203292, 5254115, 8406584, 10508230, 16813168, 21016460, 42032920, 84065840]

約数ペア:

[(1, 84065840), (2, 42032920), (4, 21016460), (5, 16813168), (8, 10508230), (10, 8406584), (16, 5254115), (20, 4203292), (40, 2101646), (80, 1050823), (89, 944560), (178, 472280), (356, 236140), (445, 188912), (712, 118070), (890, 94456), (1424, 59035), (1780, 47228), (3560, 23614), (7120, 11807)]