40007680

素因数分解:

$2^{11}\times 5^1\times {\mathrm{3907}}^1$

素因数の和:3934

約数の個数: 48

約数和(自身を含む): 96019560

約数和(自身を除く): 56011880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 3907, 5120, 7814, 10240, 15628, 19535, 31256, 39070, 62512, 78140, 125024, 156280, 250048, 312560, 500096, 625120, 1000192, 1250240, 2000384, 2500480, 4000768, 5000960, 8001536, 10001920, 20003840, 40007680]

約数ペア:

[(1, 40007680), (2, 20003840), (4, 10001920), (5, 8001536), (8, 5000960), (10, 4000768), (16, 2500480), (20, 2000384), (32, 1250240), (40, 1000192), (64, 625120), (80, 500096), (128, 312560), (160, 250048), (256, 156280), (320, 125024), (512, 78140), (640, 62512), (1024, 39070), (1280, 31256), (2048, 19535), (2560, 15628), (3907, 10240), (5120, 7814)]