16864640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2027}}^1$

素因数の和:2059

約数の個数: 64

約数和(自身を含む): 43439760

約数和(自身を除く): 26575120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2027, 2080, 4054, 4160, 8108, 8320, 10135, 16216, 20270, 26351, 32432, 40540, 52702, 64864, 81080, 105404, 129728, 131755, 162160, 210808, 259456, 263510, 324320, 421616, 527020, 648640, 843232, 1054040, 1297280, 1686464, 2108080, 3372928, 4216160, 8432320, 16864640]

約数ペア:

[(1, 16864640), (2, 8432320), (4, 4216160), (5, 3372928), (8, 2108080), (10, 1686464), (13, 1297280), (16, 1054040), (20, 843232), (26, 648640), (32, 527020), (40, 421616), (52, 324320), (64, 263510), (65, 259456), (80, 210808), (104, 162160), (128, 131755), (130, 129728), (160, 105404), (208, 81080), (260, 64864), (320, 52702), (416, 40540), (520, 32432), (640, 26351), (832, 20270), (1040, 16216), (1664, 10135), (2027, 8320), (2080, 8108), (4054, 4160)]