72201280

素因数分解:

$2^6\times 5^1\times {\mathrm{225629}}^1$

素因数の和:225646

約数の個数: 28

約数和(自身を含む): 171930060

約数和(自身を除く): 99728780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 225629, 451258, 902516, 1128145, 1805032, 2256290, 3610064, 4512580, 7220128, 9025160, 14440256, 18050320, 36100640, 72201280]

約数ペア:

[(1, 72201280), (2, 36100640), (4, 18050320), (5, 14440256), (8, 9025160), (10, 7220128), (16, 4512580), (20, 3610064), (32, 2256290), (40, 1805032), (64, 1128145), (80, 902516), (160, 451258), (320, 225629)]