1357136720

素因数分解:

$2^4\times 5^1\times {\mathrm{16964209}}^1$

素因数の和:16964222

約数の個数: 20

約数和(自身を含む): 3155343060

約数和(自身を除く): 1798206340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16964209, 33928418, 67856836, 84821045, 135713672, 169642090, 271427344, 339284180, 678568360, 1357136720]

約数ペア:

[(1, 1357136720), (2, 678568360), (4, 339284180), (5, 271427344), (8, 169642090), (10, 135713672), (16, 84821045), (20, 67856836), (40, 33928418), (80, 16964209)]