72097280

素因数分解:

$2^9\times 5^1\times {\mathrm{28163}}^1$

素因数の和:28186

約数の個数: 40

約数和(自身を含む): 172870632

約数和(自身を除く): 100773352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 28163, 56326, 112652, 140815, 225304, 281630, 450608, 563260, 901216, 1126520, 1802432, 2253040, 3604864, 4506080, 7209728, 9012160, 14419456, 18024320, 36048640, 72097280]

約数ペア:

[(1, 72097280), (2, 36048640), (4, 18024320), (5, 14419456), (8, 9012160), (10, 7209728), (16, 4506080), (20, 3604864), (32, 2253040), (40, 1802432), (64, 1126520), (80, 901216), (128, 563260), (160, 450608), (256, 281630), (320, 225304), (512, 140815), (640, 112652), (1280, 56326), (2560, 28163)]