25392016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 57746304

約数和(自身を除く): 32354288

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 43, 52, 68, 86, 104, 136, 167, 172, 208, 221, 272, 334, 344, 442, 559, 668, 688, 731, 884, 1118, 1336, 1462, 1768, 2171, 2236, 2672, 2839, 2924, 3536, 4342, 4472, 5678, 5848, 7181, 8684, 8944, 9503, 11356, 11696, 14362, 17368, 19006, 22712, 28724, 34736, 36907, 38012, 45424, 57448, 73814, 76024, 93353, 114896, 122077, 147628, 152048, 186706, 244154, 295256, 373412, 488308, 590512, 746824, 976616, 1493648, 1587001, 1953232, 3174002, 6348004, 12696008, 25392016]

約数ペア:

[(1, 25392016), (2, 12696008), (4, 6348004), (8, 3174002), (13, 1953232), (16, 1587001), (17, 1493648), (26, 976616), (34, 746824), (43, 590512), (52, 488308), (68, 373412), (86, 295256), (104, 244154), (136, 186706), (167, 152048), (172, 147628), (208, 122077), (221, 114896), (272, 93353), (334, 76024), (344, 73814), (442, 57448), (559, 45424), (668, 38012), (688, 36907), (731, 34736), (884, 28724), (1118, 22712), (1336, 19006), (1462, 17368), (1768, 14362), (2171, 11696), (2236, 11356), (2672, 9503), (2839, 8944), (2924, 8684), (3536, 7181), (4342, 5848), (4472, 5678)]