55143680

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 134266272

約数和(自身を除く): 79122592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 536, 640, 643, 670, 1072, 1280, 1286, 1340, 2144, 2572, 2680, 3215, 4288, 5144, 5360, 6430, 8576, 10288, 10720, 12860, 17152, 20576, 21440, 25720, 41152, 42880, 43081, 51440, 82304, 85760, 86162, 102880, 164608, 172324, 205760, 215405, 344648, 411520, 430810, 689296, 823040, 861620, 1378592, 1723240, 2757184, 3446480, 5514368, 6892960, 11028736, 13785920, 27571840, 55143680]

約数ペア:

[(1, 55143680), (2, 27571840), (4, 13785920), (5, 11028736), (8, 6892960), (10, 5514368), (16, 3446480), (20, 2757184), (32, 1723240), (40, 1378592), (64, 861620), (67, 823040), (80, 689296), (128, 430810), (134, 411520), (160, 344648), (256, 215405), (268, 205760), (320, 172324), (335, 164608), (536, 102880), (640, 86162), (643, 85760), (670, 82304), (1072, 51440), (1280, 43081), (1286, 42880), (1340, 41152), (2144, 25720), (2572, 21440), (2680, 20576), (3215, 17152), (4288, 12860), (5144, 10720), (5360, 10288), (6430, 8576)]