40197920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1930

約数の個数: 96

約数和(自身を含む): 114307200

約数和(自身を除く): 74109280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 1889, 2128, 2660, 3040, 3778, 4256, 5320, 7556, 9445, 10640, 13223, 15112, 18890, 21280, 26446, 30224, 35891, 37780, 52892, 60448, 66115, 71782, 75560, 105784, 132230, 143564, 151120, 179455, 211568, 251237, 264460, 287128, 302240, 358910, 423136, 502474, 528920, 574256, 717820, 1004948, 1057840, 1148512, 1256185, 1435640, 2009896, 2115680, 2512370, 2871280, 4019792, 5024740, 5742560, 8039584, 10049480, 20098960, 40197920]

約数ペア:

[(1, 40197920), (2, 20098960), (4, 10049480), (5, 8039584), (7, 5742560), (8, 5024740), (10, 4019792), (14, 2871280), (16, 2512370), (19, 2115680), (20, 2009896), (28, 1435640), (32, 1256185), (35, 1148512), (38, 1057840), (40, 1004948), (56, 717820), (70, 574256), (76, 528920), (80, 502474), (95, 423136), (112, 358910), (133, 302240), (140, 287128), (152, 264460), (160, 251237), (190, 211568), (224, 179455), (266, 151120), (280, 143564), (304, 132230), (380, 105784), (532, 75560), (560, 71782), (608, 66115), (665, 60448), (760, 52892), (1064, 37780), (1120, 35891), (1330, 30224), (1520, 26446), (1889, 21280), (2128, 18890), (2660, 15112), (3040, 13223), (3778, 10640), (4256, 9445), (5320, 7556)]