130521280

素因数分解:

$2^6\times 5^1\times {\mathrm{407879}}^1$

素因数の和:407896

約数の個数: 28

約数和(自身を含む): 310804560

約数和(自身を除く): 180283280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 407879, 815758, 1631516, 2039395, 3263032, 4078790, 6526064, 8157580, 13052128, 16315160, 26104256, 32630320, 65260640, 130521280]

約数ペア:

[(1, 130521280), (2, 65260640), (4, 32630320), (5, 26104256), (8, 16315160), (10, 13052128), (16, 8157580), (20, 6526064), (32, 4078790), (40, 3263032), (64, 2039395), (80, 1631516), (160, 815758), (320, 407879)]