1722880

素因数分解:

$2^9\times 5^1\times {\mathrm{673}}^1$

素因数の和:696

約数の個数: 40

約数和(自身を含む): 4137012

約数和(自身を除く): 2414132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 673, 1280, 1346, 2560, 2692, 3365, 5384, 6730, 10768, 13460, 21536, 26920, 43072, 53840, 86144, 107680, 172288, 215360, 344576, 430720, 861440, 1722880]

約数ペア:

[(1, 1722880), (2, 861440), (4, 430720), (5, 344576), (8, 215360), (10, 172288), (16, 107680), (20, 86144), (32, 53840), (40, 43072), (64, 26920), (80, 21536), (128, 13460), (160, 10768), (256, 6730), (320, 5384), (512, 3365), (640, 2692), (673, 2560), (1280, 1346)]