31078400

素因数分解:

$2^{11}\times 5^2\times {\mathrm{607}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 77182560

約数和(自身を除く): 46104160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 607, 640, 800, 1024, 1214, 1280, 1600, 2048, 2428, 2560, 3035, 3200, 4856, 5120, 6070, 6400, 9712, 10240, 12140, 12800, 15175, 19424, 24280, 25600, 30350, 38848, 48560, 51200, 60700, 77696, 97120, 121400, 155392, 194240, 242800, 310784, 388480, 485600, 621568, 776960, 971200, 1243136, 1553920, 1942400, 3107840, 3884800, 6215680, 7769600, 15539200, 31078400]

約数ペア:

[(1, 31078400), (2, 15539200), (4, 7769600), (5, 6215680), (8, 3884800), (10, 3107840), (16, 1942400), (20, 1553920), (25, 1243136), (32, 971200), (40, 776960), (50, 621568), (64, 485600), (80, 388480), (100, 310784), (128, 242800), (160, 194240), (200, 155392), (256, 121400), (320, 97120), (400, 77696), (512, 60700), (607, 51200), (640, 48560), (800, 38848), (1024, 30350), (1214, 25600), (1280, 24280), (1600, 19424), (2048, 15175), (2428, 12800), (2560, 12140), (3035, 10240), (3200, 9712), (4856, 6400), (5120, 6070)]