16459660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 39977280

約数和(自身を除く): 23517620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1321, 1780, 2492, 2642, 3115, 5284, 6230, 6605, 9247, 12460, 13210, 18494, 26420, 36988, 46235, 92470, 117569, 184940, 235138, 470276, 587845, 822983, 1175690, 1645966, 2351380, 3291932, 4114915, 8229830, 16459660]

約数ペア:

[(1, 16459660), (2, 8229830), (4, 4114915), (5, 3291932), (7, 2351380), (10, 1645966), (14, 1175690), (20, 822983), (28, 587845), (35, 470276), (70, 235138), (89, 184940), (140, 117569), (178, 92470), (356, 46235), (445, 36988), (623, 26420), (890, 18494), (1246, 13210), (1321, 12460), (1780, 9247), (2492, 6605), (2642, 6230), (3115, 5284)]