88897557680

素因数分解:

$2^4\times 5^1\times {\mathrm{1111219471}}^1$

素因数の和:1111219484

約数の個数: 20

約数和(自身を含む): 206686821792

約数和(自身を除く): 117789264112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1111219471, 2222438942, 4444877884, 5556097355, 8889755768, 11112194710, 17779511536, 22224389420, 44448778840, 88897557680]

約数ペア:

[(1, 88897557680), (2, 44448778840), (4, 22224389420), (5, 17779511536), (8, 11112194710), (10, 8889755768), (16, 5556097355), (20, 4444877884), (40, 2222438942), (80, 1111219471)]