82188800

素因数分解:

$2^9\times 5^2\times {\mathrm{6421}}^1$

素因数の和:6449

約数の個数: 60

約数和(自身を含む): 203660886

約数和(自身を除く): 121472086

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, 1280, 1600, 2560, 3200, 6400, 6421, 12800, 12842, 25684, 32105, 51368, 64210, 102736, 128420, 160525, 205472, 256840, 321050, 410944, 513680, 642100, 821888, 1027360, 1284200, 1643776, 2054720, 2568400, 3287552, 4109440, 5136800, 8218880, 10273600, 16437760, 20547200, 41094400, 82188800]

約数ペア:

[(1, 82188800), (2, 41094400), (4, 20547200), (5, 16437760), (8, 10273600), (10, 8218880), (16, 5136800), (20, 4109440), (25, 3287552), (32, 2568400), (40, 2054720), (50, 1643776), (64, 1284200), (80, 1027360), (100, 821888), (128, 642100), (160, 513680), (200, 410944), (256, 321050), (320, 256840), (400, 205472), (512, 160525), (640, 128420), (800, 102736), (1280, 64210), (1600, 51368), (2560, 32105), (3200, 25684), (6400, 12842), (6421, 12800)]