72220160

素因数分解:

$2^9\times 5^1\times {\mathrm{28211}}^1$

素因数の和:28234

約数の個数: 40

約数和(自身を含む): 173165256

約数和(自身を除く): 100945096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 28211, 56422, 112844, 141055, 225688, 282110, 451376, 564220, 902752, 1128440, 1805504, 2256880, 3611008, 4513760, 7222016, 9027520, 14444032, 18055040, 36110080, 72220160]

約数ペア:

[(1, 72220160), (2, 36110080), (4, 18055040), (5, 14444032), (8, 9027520), (10, 7222016), (16, 4513760), (20, 3611008), (32, 2256880), (40, 1805504), (64, 1128440), (80, 902752), (128, 564220), (160, 451376), (256, 282110), (320, 225688), (512, 141055), (640, 112844), (1280, 56422), (2560, 28211)]