558640

素因数分解:

$2^4\times 5^1\times {\mathrm{6983}}^1$

素因数の和:6996

約数の個数: 20

約数和(自身を含む): 1299024

約数和(自身を除く): 740384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6983, 13966, 27932, 34915, 55864, 69830, 111728, 139660, 279320, 558640]

約数ペア:

[(1, 558640), (2, 279320), (4, 139660), (5, 111728), (8, 69830), (10, 55864), (16, 34915), (20, 27932), (40, 13966), (80, 6983)]