4267520

素因数分解:

$2^9\times 5^1\times {\mathrm{1667}}^1$

素因数の和:1690

約数の個数: 40

約数和(自身を含む): 10238184

約数和(自身を除く): 5970664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 1667, 2560, 3334, 6668, 8335, 13336, 16670, 26672, 33340, 53344, 66680, 106688, 133360, 213376, 266720, 426752, 533440, 853504, 1066880, 2133760, 4267520]

約数ペア:

[(1, 4267520), (2, 2133760), (4, 1066880), (5, 853504), (8, 533440), (10, 426752), (16, 266720), (20, 213376), (32, 133360), (40, 106688), (64, 66680), (80, 53344), (128, 33340), (160, 26672), (256, 16670), (320, 13336), (512, 8335), (640, 6668), (1280, 3334), (1667, 2560)]