72945920

素因数分解:

$2^8\times 5^1\times {\mathrm{56989}}^1$

素因数の和:57010

約数の個数: 36

約数和(自身を含む): 174731340

約数和(自身を除く): 101785420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 56989, 113978, 227956, 284945, 455912, 569890, 911824, 1139780, 1823648, 2279560, 3647296, 4559120, 7294592, 9118240, 14589184, 18236480, 36472960, 72945920]

約数ペア:

[(1, 72945920), (2, 36472960), (4, 18236480), (5, 14589184), (8, 9118240), (10, 7294592), (16, 4559120), (20, 3647296), (32, 2279560), (40, 1823648), (64, 1139780), (80, 911824), (128, 569890), (160, 455912), (256, 284945), (320, 227956), (640, 113978), (1280, 56989)]