16209920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1583}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 38918880

約数和(自身を除く): 22708960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1583, 2048, 2560, 3166, 5120, 6332, 7915, 10240, 12664, 15830, 25328, 31660, 50656, 63320, 101312, 126640, 202624, 253280, 405248, 506560, 810496, 1013120, 1620992, 2026240, 3241984, 4052480, 8104960, 16209920]

約数ペア:

[(1, 16209920), (2, 8104960), (4, 4052480), (5, 3241984), (8, 2026240), (10, 1620992), (16, 1013120), (20, 810496), (32, 506560), (40, 405248), (64, 253280), (80, 202624), (128, 126640), (160, 101312), (256, 63320), (320, 50656), (512, 31660), (640, 25328), (1024, 15830), (1280, 12664), (1583, 10240), (2048, 7915), (2560, 6332), (3166, 5120)]