16261120

素因数分解:

$2^{13}\times 5^1\times {\mathrm{397}}^1$

素因数の和:428

約数の個数: 56

約数和(自身を含む): 39122604

約数和(自身を除く): 22861484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 397, 512, 640, 794, 1024, 1280, 1588, 1985, 2048, 2560, 3176, 3970, 4096, 5120, 6352, 7940, 8192, 10240, 12704, 15880, 20480, 25408, 31760, 40960, 50816, 63520, 101632, 127040, 203264, 254080, 406528, 508160, 813056, 1016320, 1626112, 2032640, 3252224, 4065280, 8130560, 16261120]

約数ペア:

[(1, 16261120), (2, 8130560), (4, 4065280), (5, 3252224), (8, 2032640), (10, 1626112), (16, 1016320), (20, 813056), (32, 508160), (40, 406528), (64, 254080), (80, 203264), (128, 127040), (160, 101632), (256, 63520), (320, 50816), (397, 40960), (512, 31760), (640, 25408), (794, 20480), (1024, 15880), (1280, 12704), (1588, 10240), (1985, 8192), (2048, 7940), (2560, 6352), (3176, 5120), (3970, 4096)]