80844800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{1579}}^1$

素因数の和:1611

約数の個数: 72

約数和(自身を含む): 200573100

約数和(自身を除く): 119728300

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, 1579, 1600, 2048, 2560, 3158, 3200, 5120, 6316, 6400, 7895, 10240, 12632, 12800, 15790, 25264, 25600, 31580, 39475, 50528, 51200, 63160, 78950, 101056, 126320, 157900, 202112, 252640, 315800, 404224, 505280, 631600, 808448, 1010560, 1263200, 1616896, 2021120, 2526400, 3233792, 4042240, 5052800, 8084480, 10105600, 16168960, 20211200, 40422400, 80844800]

約数ペア:

[(1, 80844800), (2, 40422400), (4, 20211200), (5, 16168960), (8, 10105600), (10, 8084480), (16, 5052800), (20, 4042240), (25, 3233792), (32, 2526400), (40, 2021120), (50, 1616896), (64, 1263200), (80, 1010560), (100, 808448), (128, 631600), (160, 505280), (200, 404224), (256, 315800), (320, 252640), (400, 202112), (512, 157900), (640, 126320), (800, 101056), (1024, 78950), (1280, 63160), (1579, 51200), (1600, 50528), (2048, 39475), (2560, 31580), (3158, 25600), (3200, 25264), (5120, 15790), (6316, 12800), (6400, 12632), (7895, 10240)]