20131490725

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{373}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 25644072960

約数和(自身を除く): 5512582235

約数列:

[1, 5, 25, 89, 127, 191, 373, 445, 635, 955, 1865, 2225, 3175, 4775, 9325, 11303, 16999, 24257, 33197, 47371, 56515, 71243, 84995, 121285, 165985, 236855, 282575, 356215, 424975, 606425, 829925, 1184275, 1781075, 2158873, 4216019, 6340627, 9047861, 10794365, 21080095, 31703135, 45239305, 53971825, 105400475, 158515675, 226196525, 805259629, 4026298145, 20131490725]

約数ペア:

[(1, 20131490725), (5, 4026298145), (25, 805259629), (89, 226196525), (127, 158515675), (191, 105400475), (373, 53971825), (445, 45239305), (635, 31703135), (955, 21080095), (1865, 10794365), (2225, 9047861), (3175, 6340627), (4775, 4216019), (9325, 2158873), (11303, 1781075), (16999, 1184275), (24257, 829925), (33197, 606425), (47371, 424975), (56515, 356215), (71243, 282575), (84995, 236855), (121285, 165985)]