8348516840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{20753}}^1$

素因数の和:20966

約数の個数: 64

約数和(自身を含む): 19164243600

約数和(自身を除く): 10815726760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 113, 178, 226, 356, 445, 452, 565, 712, 890, 904, 1130, 1780, 2260, 3560, 4520, 10057, 20114, 20753, 40228, 41506, 50285, 80456, 83012, 100570, 103765, 166024, 201140, 207530, 402280, 415060, 830120, 1847017, 2345089, 3694034, 4690178, 7388068, 9235085, 9380356, 11725445, 14776136, 18470170, 18760712, 23450890, 36940340, 46901780, 73880680, 93803560, 208712921, 417425842, 834851684, 1043564605, 1669703368, 2087129210, 4174258420, 8348516840]

約数ペア:

[(1, 8348516840), (2, 4174258420), (4, 2087129210), (5, 1669703368), (8, 1043564605), (10, 834851684), (20, 417425842), (40, 208712921), (89, 93803560), (113, 73880680), (178, 46901780), (226, 36940340), (356, 23450890), (445, 18760712), (452, 18470170), (565, 14776136), (712, 11725445), (890, 9380356), (904, 9235085), (1130, 7388068), (1780, 4690178), (2260, 3694034), (3560, 2345089), (4520, 1847017), (10057, 830120), (20114, 415060), (20753, 402280), (40228, 207530), (41506, 201140), (50285, 166024), (80456, 103765), (83012, 100570)]