718720

素因数分解:

$2^7\times 5^1\times {\mathrm{1123}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 1719720

約数和(自身を除く): 1001000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1123, 2246, 4492, 5615, 8984, 11230, 17968, 22460, 35936, 44920, 71872, 89840, 143744, 179680, 359360, 718720]

約数ペア:

[(1, 718720), (2, 359360), (4, 179680), (5, 143744), (8, 89840), (10, 71872), (16, 44920), (20, 35936), (32, 22460), (40, 17968), (64, 11230), (80, 8984), (128, 5615), (160, 4492), (320, 2246), (640, 1123)]