40618880

素因数分解:

$2^7\times 5^1\times {\mathrm{63467}}^1$

素因数の和:63486

約数の個数: 32

約数和(自身を含む): 97106040

約数和(自身を除く): 56487160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 63467, 126934, 253868, 317335, 507736, 634670, 1015472, 1269340, 2030944, 2538680, 4061888, 5077360, 8123776, 10154720, 20309440, 40618880]

約数ペア:

[(1, 40618880), (2, 20309440), (4, 10154720), (5, 8123776), (8, 5077360), (10, 4061888), (16, 2538680), (20, 2030944), (32, 1269340), (40, 1015472), (64, 634670), (80, 507736), (128, 317335), (160, 253868), (320, 126934), (640, 63467)]