156886720

素因数分解:

$2^6\times 5^1\times {\mathrm{490271}}^1$

素因数の和:490288

約数の個数: 28

約数和(自身を含む): 373587264

約数和(自身を除く): 216700544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 490271, 980542, 1961084, 2451355, 3922168, 4902710, 7844336, 9805420, 15688672, 19610840, 31377344, 39221680, 78443360, 156886720]

約数ペア:

[(1, 156886720), (2, 78443360), (4, 39221680), (5, 31377344), (8, 19610840), (10, 15688672), (16, 9805420), (20, 7844336), (32, 4902710), (40, 3922168), (64, 2451355), (80, 1961084), (160, 980542), (320, 490271)]