102798160

素因数分解:

$2^4\times 5^1\times {\mathrm{1284977}}^1$

素因数の和:1284990

約数の個数: 20

約数和(自身を含む): 239005908

約数和(自身を除く): 136207748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1284977, 2569954, 5139908, 6424885, 10279816, 12849770, 20559632, 25699540, 51399080, 102798160]

約数ペア:

[(1, 102798160), (2, 51399080), (4, 25699540), (5, 20559632), (8, 12849770), (10, 10279816), (16, 6424885), (20, 5139908), (40, 2569954), (80, 1284977)]