40798720

素因数分解:

$2^9\times 5^1\times {\mathrm{15937}}^1$

素因数の和:15960

約数の個数: 40

約数和(自身を含む): 97827444

約数和(自身を除く): 57028724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 15937, 31874, 63748, 79685, 127496, 159370, 254992, 318740, 509984, 637480, 1019968, 1274960, 2039936, 2549920, 4079872, 5099840, 8159744, 10199680, 20399360, 40798720]

約数ペア:

[(1, 40798720), (2, 20399360), (4, 10199680), (5, 8159744), (8, 5099840), (10, 4079872), (16, 2549920), (20, 2039936), (32, 1274960), (40, 1019968), (64, 637480), (80, 509984), (128, 318740), (160, 254992), (256, 159370), (320, 127496), (512, 79685), (640, 63748), (1280, 31874), (2560, 15937)]