25115440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 69973200

約数和(自身を除く): 44857760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 149, 172, 196, 215, 245, 280, 298, 301, 344, 392, 430, 490, 560, 596, 602, 688, 745, 784, 860, 980, 1043, 1192, 1204, 1490, 1505, 1720, 1960, 2086, 2107, 2384, 2408, 2980, 3010, 3440, 3920, 4172, 4214, 4816, 5215, 5960, 6020, 6407, 7301, 8344, 8428, 10430, 10535, 11920, 12040, 12814, 14602, 16688, 16856, 20860, 21070, 24080, 25628, 29204, 32035, 33712, 36505, 41720, 42140, 44849, 51256, 58408, 64070, 73010, 83440, 84280, 89698, 102512, 116816, 128140, 146020, 168560, 179396, 224245, 256280, 292040, 313943, 358792, 448490, 512560, 584080, 627886, 717584, 896980, 1255772, 1569715, 1793960, 2511544, 3139430, 3587920, 5023088, 6278860, 12557720, 25115440]

約数ペア:

[(1, 25115440), (2, 12557720), (4, 6278860), (5, 5023088), (7, 3587920), (8, 3139430), (10, 2511544), (14, 1793960), (16, 1569715), (20, 1255772), (28, 896980), (35, 717584), (40, 627886), (43, 584080), (49, 512560), (56, 448490), (70, 358792), (80, 313943), (86, 292040), (98, 256280), (112, 224245), (140, 179396), (149, 168560), (172, 146020), (196, 128140), (215, 116816), (245, 102512), (280, 89698), (298, 84280), (301, 83440), (344, 73010), (392, 64070), (430, 58408), (490, 51256), (560, 44849), (596, 42140), (602, 41720), (688, 36505), (745, 33712), (784, 32035), (860, 29204), (980, 25628), (1043, 24080), (1192, 21070), (1204, 20860), (1490, 16856), (1505, 16688), (1720, 14602), (1960, 12814), (2086, 12040), (2107, 11920), (2384, 10535), (2408, 10430), (2980, 8428), (3010, 8344), (3440, 7301), (3920, 6407), (4172, 6020), (4214, 5960), (4816, 5215)]