4542520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 11088000

約数和(自身を除く): 6545480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 139, 152, 172, 190, 215, 278, 344, 380, 430, 556, 695, 760, 817, 860, 1112, 1390, 1634, 1720, 2641, 2780, 3268, 4085, 5282, 5560, 5977, 6536, 8170, 10564, 11954, 13205, 16340, 21128, 23908, 26410, 29885, 32680, 47816, 52820, 59770, 105640, 113563, 119540, 227126, 239080, 454252, 567815, 908504, 1135630, 2271260, 4542520]

約数ペア:

[(1, 4542520), (2, 2271260), (4, 1135630), (5, 908504), (8, 567815), (10, 454252), (19, 239080), (20, 227126), (38, 119540), (40, 113563), (43, 105640), (76, 59770), (86, 52820), (95, 47816), (139, 32680), (152, 29885), (172, 26410), (190, 23908), (215, 21128), (278, 16340), (344, 13205), (380, 11954), (430, 10564), (556, 8170), (695, 6536), (760, 5977), (817, 5560), (860, 5282), (1112, 4085), (1390, 3268), (1634, 2780), (1720, 2641)]