99637760

素因数分解:

$2^9\times 5^1\times {\mathrm{38921}}^1$

素因数の和:38944

約数の個数: 40

約数和(自身を含む): 238903236

約数和(自身を除く): 139265476

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 38921, 77842, 155684, 194605, 311368, 389210, 622736, 778420, 1245472, 1556840, 2490944, 3113680, 4981888, 6227360, 9963776, 12454720, 19927552, 24909440, 49818880, 99637760]

約数ペア:

[(1, 99637760), (2, 49818880), (4, 24909440), (5, 19927552), (8, 12454720), (10, 9963776), (16, 6227360), (20, 4981888), (32, 3113680), (40, 2490944), (64, 1556840), (80, 1245472), (128, 778420), (160, 622736), (256, 389210), (320, 311368), (512, 194605), (640, 155684), (1280, 77842), (2560, 38921)]