78387200

素因数分解:

$2^{11}\times 5^2\times {\mathrm{1531}}^1$

素因数の和:1563

約数の個数: 72

約数和(自身を含む): 194479740

約数和(自身を除く): 116092540

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, 640, 800, 1024, 1280, 1531, 1600, 2048, 2560, 3062, 3200, 5120, 6124, 6400, 7655, 10240, 12248, 12800, 15310, 24496, 25600, 30620, 38275, 48992, 51200, 61240, 76550, 97984, 122480, 153100, 195968, 244960, 306200, 391936, 489920, 612400, 783872, 979840, 1224800, 1567744, 1959680, 2449600, 3135488, 3919360, 4899200, 7838720, 9798400, 15677440, 19596800, 39193600, 78387200]

約数ペア:

[(1, 78387200), (2, 39193600), (4, 19596800), (5, 15677440), (8, 9798400), (10, 7838720), (16, 4899200), (20, 3919360), (25, 3135488), (32, 2449600), (40, 1959680), (50, 1567744), (64, 1224800), (80, 979840), (100, 783872), (128, 612400), (160, 489920), (200, 391936), (256, 306200), (320, 244960), (400, 195968), (512, 153100), (640, 122480), (800, 97984), (1024, 76550), (1280, 61240), (1531, 51200), (1600, 48992), (2048, 38275), (2560, 30620), (3062, 25600), (3200, 24496), (5120, 15310), (6124, 12800), (6400, 12248), (7655, 10240)]