84387440

素因数分解:

$2^4\times 5^1\times {\mathrm{1054843}}^1$

素因数の和:1054856

約数の個数: 20

約数和(自身を含む): 196200984

約数和(自身を除く): 111813544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1054843, 2109686, 4219372, 5274215, 8438744, 10548430, 16877488, 21096860, 42193720, 84387440]

約数ペア:

[(1, 84387440), (2, 42193720), (4, 21096860), (5, 16877488), (8, 10548430), (10, 8438744), (16, 5274215), (20, 4219372), (40, 2109686), (80, 1054843)]