40770560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{7963}}^1$

素因数の和:7988

約数の個数: 44

約数和(自身を含む): 97813848

約数和(自身を除く): 57043288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 7963, 15926, 31852, 39815, 63704, 79630, 127408, 159260, 254816, 318520, 509632, 637040, 1019264, 1274080, 2038528, 2548160, 4077056, 5096320, 8154112, 10192640, 20385280, 40770560]

約数ペア:

[(1, 40770560), (2, 20385280), (4, 10192640), (5, 8154112), (8, 5096320), (10, 4077056), (16, 2548160), (20, 2038528), (32, 1274080), (40, 1019264), (64, 637040), (80, 509632), (128, 318520), (160, 254816), (256, 159260), (320, 127408), (512, 79630), (640, 63704), (1024, 39815), (1280, 31852), (2560, 15926), (5120, 7963)]