81250048

素因数分解:

$2^8\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 108

約数和(自身を含む): 185403064

約数和(自身を除く): 104153016

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 61, 64, 86, 88, 121, 122, 128, 172, 176, 242, 244, 256, 344, 352, 473, 484, 488, 671, 688, 704, 946, 968, 976, 1342, 1376, 1408, 1892, 1936, 1952, 2623, 2684, 2752, 2816, 3784, 3872, 3904, 5203, 5246, 5368, 5504, 7381, 7568, 7744, 7808, 10406, 10492, 10736, 11008, 14762, 15136, 15488, 15616, 20812, 20984, 21472, 28853, 29524, 30272, 30976, 41624, 41968, 42944, 57706, 59048, 60544, 83248, 83936, 85888, 115412, 118096, 121088, 166496, 167872, 171776, 230824, 236192, 317383, 332992, 335744, 461648, 472384, 634766, 665984, 671488, 923296, 944768, 1269532, 1331968, 1846592, 1889536, 2539064, 3693184, 5078128, 7386368, 10156256, 20312512, 40625024, 81250048]

約数ペア:

[(1, 81250048), (2, 40625024), (4, 20312512), (8, 10156256), (11, 7386368), (16, 5078128), (22, 3693184), (32, 2539064), (43, 1889536), (44, 1846592), (61, 1331968), (64, 1269532), (86, 944768), (88, 923296), (121, 671488), (122, 665984), (128, 634766), (172, 472384), (176, 461648), (242, 335744), (244, 332992), (256, 317383), (344, 236192), (352, 230824), (473, 171776), (484, 167872), (488, 166496), (671, 121088), (688, 118096), (704, 115412), (946, 85888), (968, 83936), (976, 83248), (1342, 60544), (1376, 59048), (1408, 57706), (1892, 42944), (1936, 41968), (1952, 41624), (2623, 30976), (2684, 30272), (2752, 29524), (2816, 28853), (3784, 21472), (3872, 20984), (3904, 20812), (5203, 15616), (5246, 15488), (5368, 15136), (5504, 14762), (7381, 11008), (7568, 10736), (7744, 10492), (7808, 10406)]