978029440

素因数分解:

$2^7\times 5^1\times {\mathrm{1528171}}^1$

素因数の和:1528190

約数の個数: 32

約数和(自身を含む): 2338103160

約数和(自身を除く): 1360073720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1528171, 3056342, 6112684, 7640855, 12225368, 15281710, 24450736, 30563420, 48901472, 61126840, 97802944, 122253680, 195605888, 244507360, 489014720, 978029440]

約数ペア:

[(1, 978029440), (2, 489014720), (4, 244507360), (5, 195605888), (8, 122253680), (10, 97802944), (16, 61126840), (20, 48901472), (32, 30563420), (40, 24450736), (64, 15281710), (80, 12225368), (128, 7640855), (160, 6112684), (320, 3056342), (640, 1528171)]