99499520

素因数分解:

$2^9\times 5^1\times {\mathrm{38867}}^1$

素因数の和:38890

約数の個数: 40

約数和(自身を含む): 238571784

約数和(自身を除く): 139072264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 38867, 77734, 155468, 194335, 310936, 388670, 621872, 777340, 1243744, 1554680, 2487488, 3109360, 4974976, 6218720, 9949952, 12437440, 19899904, 24874880, 49749760, 99499520]

約数ペア:

[(1, 99499520), (2, 49749760), (4, 24874880), (5, 19899904), (8, 12437440), (10, 9949952), (16, 6218720), (20, 4974976), (32, 3109360), (40, 2487488), (64, 1554680), (80, 1243744), (128, 777340), (160, 621872), (256, 388670), (320, 310936), (512, 194335), (640, 155468), (1280, 77734), (2560, 38867)]