628618880

素因数分解:

$2^7\times 5^1\times {\mathrm{982217}}^1$

素因数の和:982236

約数の個数: 32

約数和(自身を含む): 1502793540

約数和(自身を除く): 874174660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 982217, 1964434, 3928868, 4911085, 7857736, 9822170, 15715472, 19644340, 31430944, 39288680, 62861888, 78577360, 125723776, 157154720, 314309440, 628618880]

約数ペア:

[(1, 628618880), (2, 314309440), (4, 157154720), (5, 125723776), (8, 78577360), (10, 62861888), (16, 39288680), (20, 31430944), (32, 19644340), (40, 15715472), (64, 9822170), (80, 7857736), (128, 4911085), (160, 3928868), (320, 1964434), (640, 982217)]