20129892550

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:1010

約数の個数: 96

約数和(自身を含む): 39142584000

約数和(自身を除く): 19012691450

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 103, 149, 185, 206, 298, 370, 515, 709, 745, 925, 1030, 1418, 1490, 1850, 2575, 3545, 3725, 3811, 5150, 5513, 7090, 7450, 7622, 11026, 15347, 17725, 19055, 26233, 27565, 30694, 35450, 38110, 52466, 55130, 73027, 76735, 95275, 105641, 131165, 137825, 146054, 153470, 190550, 211282, 262330, 275650, 365135, 383675, 528205, 567839, 655825, 730270, 767350, 1056410, 1135678, 1311650, 1825675, 2641025, 2701999, 2839195, 3651350, 3908717, 5282050, 5403998, 5678390, 7817434, 10881023, 13509995, 14195975, 19543585, 21762046, 27019990, 28391950, 39087170, 54405115, 67549975, 97717925, 108810230, 135099950, 195435850, 272025575, 402597851, 544051150, 805195702, 2012989255, 4025978510, 10064946275, 20129892550]

約数ペア:

[(1, 20129892550), (2, 10064946275), (5, 4025978510), (10, 2012989255), (25, 805195702), (37, 544051150), (50, 402597851), (74, 272025575), (103, 195435850), (149, 135099950), (185, 108810230), (206, 97717925), (298, 67549975), (370, 54405115), (515, 39087170), (709, 28391950), (745, 27019990), (925, 21762046), (1030, 19543585), (1418, 14195975), (1490, 13509995), (1850, 10881023), (2575, 7817434), (3545, 5678390), (3725, 5403998), (3811, 5282050), (5150, 3908717), (5513, 3651350), (7090, 2839195), (7450, 2701999), (7622, 2641025), (11026, 1825675), (15347, 1311650), (17725, 1135678), (19055, 1056410), (26233, 767350), (27565, 730270), (30694, 655825), (35450, 567839), (38110, 528205), (52466, 383675), (55130, 365135), (73027, 275650), (76735, 262330), (95275, 211282), (105641, 190550), (131165, 153470), (137825, 146054)]