16958720

素因数分解:

$2^8\times 5^1\times {\mathrm{13249}}^1$

素因数の和:13270

約数の個数: 36

約数和(自身を含む): 40624500

約数和(自身を除く): 23665780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 13249, 26498, 52996, 66245, 105992, 132490, 211984, 264980, 423968, 529960, 847936, 1059920, 1695872, 2119840, 3391744, 4239680, 8479360, 16958720]

約数ペア:

[(1, 16958720), (2, 8479360), (4, 4239680), (5, 3391744), (8, 2119840), (10, 1695872), (16, 1059920), (20, 847936), (32, 529960), (40, 423968), (64, 264980), (80, 211984), (128, 132490), (160, 105992), (256, 66245), (320, 52996), (640, 26498), (1280, 13249)]