2010072800

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{25903}}^1$

素因数の和:26020

約数の個数: 72

約数和(自身を含む): 4957870176

約数和(自身を除く): 2947797376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 388, 400, 485, 776, 800, 970, 1552, 1940, 2425, 3104, 3880, 4850, 7760, 9700, 15520, 19400, 25903, 38800, 51806, 77600, 103612, 129515, 207224, 259030, 414448, 518060, 647575, 828896, 1036120, 1295150, 2072240, 2512591, 2590300, 4144480, 5025182, 5180600, 10050364, 10361200, 12562955, 20100728, 20722400, 25125910, 40201456, 50251820, 62814775, 80402912, 100503640, 125629550, 201007280, 251259100, 402014560, 502518200, 1005036400, 2010072800]

約数ペア:

[(1, 2010072800), (2, 1005036400), (4, 502518200), (5, 402014560), (8, 251259100), (10, 201007280), (16, 125629550), (20, 100503640), (25, 80402912), (32, 62814775), (40, 50251820), (50, 40201456), (80, 25125910), (97, 20722400), (100, 20100728), (160, 12562955), (194, 10361200), (200, 10050364), (388, 5180600), (400, 5025182), (485, 4144480), (776, 2590300), (800, 2512591), (970, 2072240), (1552, 1295150), (1940, 1036120), (2425, 828896), (3104, 647575), (3880, 518060), (4850, 414448), (7760, 259030), (9700, 207224), (15520, 129515), (19400, 103612), (25903, 77600), (38800, 51806)]