84553640

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{5021}}^1$

素因数の和:5453

約数の個数: 32

約数和(自身を含む): 190735560

約数和(自身を除く): 106181920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 5021, 8420, 10042, 16840, 20084, 25105, 40168, 50210, 100420, 200840, 2113841, 4227682, 8455364, 10569205, 16910728, 21138410, 42276820, 84553640]

約数ペア:

[(1, 84553640), (2, 42276820), (4, 21138410), (5, 16910728), (8, 10569205), (10, 8455364), (20, 4227682), (40, 2113841), (421, 200840), (842, 100420), (1684, 50210), (2105, 40168), (3368, 25105), (4210, 20084), (5021, 16840), (8420, 10042)]