16188640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 42378336

約数和(自身を除く): 26189696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 172, 181, 208, 215, 260, 344, 362, 416, 430, 520, 559, 688, 724, 860, 905, 1040, 1118, 1376, 1448, 1720, 1810, 2080, 2236, 2353, 2795, 2896, 3440, 3620, 4472, 4706, 5590, 5792, 6880, 7240, 7783, 8944, 9412, 11180, 11765, 14480, 15566, 17888, 18824, 22360, 23530, 28960, 31132, 37648, 38915, 44720, 47060, 62264, 75296, 77830, 89440, 94120, 101179, 124528, 155660, 188240, 202358, 249056, 311320, 376480, 404716, 505895, 622640, 809432, 1011790, 1245280, 1618864, 2023580, 3237728, 4047160, 8094320, 16188640]

約数ペア:

[(1, 16188640), (2, 8094320), (4, 4047160), (5, 3237728), (8, 2023580), (10, 1618864), (13, 1245280), (16, 1011790), (20, 809432), (26, 622640), (32, 505895), (40, 404716), (43, 376480), (52, 311320), (65, 249056), (80, 202358), (86, 188240), (104, 155660), (130, 124528), (160, 101179), (172, 94120), (181, 89440), (208, 77830), (215, 75296), (260, 62264), (344, 47060), (362, 44720), (416, 38915), (430, 37648), (520, 31132), (559, 28960), (688, 23530), (724, 22360), (860, 18824), (905, 17888), (1040, 15566), (1118, 14480), (1376, 11765), (1448, 11180), (1720, 9412), (1810, 8944), (2080, 7783), (2236, 7240), (2353, 6880), (2795, 5792), (2896, 5590), (3440, 4706), (3620, 4472)]