16241920

素因数分解:

$2^8\times 5^1\times {\mathrm{12689}}^1$

素因数の和:12710

約数の個数: 36

約数和(自身を含む): 38907540

約数和(自身を除く): 22665620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 12689, 25378, 50756, 63445, 101512, 126890, 203024, 253780, 406048, 507560, 812096, 1015120, 1624192, 2030240, 3248384, 4060480, 8120960, 16241920]

約数ペア:

[(1, 16241920), (2, 8120960), (4, 4060480), (5, 3248384), (8, 2030240), (10, 1624192), (16, 1015120), (20, 812096), (32, 507560), (40, 406048), (64, 253780), (80, 203024), (128, 126890), (160, 101512), (256, 63445), (320, 50756), (640, 25378), (1280, 12689)]