80281856

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 167661144

約数和(自身を除く): 87379288

約数列:

[1, 2, 4, 8, 16, 32, 53, 61, 64, 97, 106, 122, 128, 194, 212, 244, 256, 388, 424, 488, 776, 848, 976, 1552, 1696, 1952, 3104, 3233, 3392, 3904, 5141, 5917, 6208, 6466, 6784, 7808, 10282, 11834, 12416, 12932, 13568, 15616, 20564, 23668, 24832, 25864, 41128, 47336, 51728, 82256, 94672, 103456, 164512, 189344, 206912, 313601, 329024, 378688, 413824, 627202, 658048, 757376, 827648, 1254404, 1316096, 1514752, 2508808, 5017616, 10035232, 20070464, 40140928, 80281856]

約数ペア:

[(1, 80281856), (2, 40140928), (4, 20070464), (8, 10035232), (16, 5017616), (32, 2508808), (53, 1514752), (61, 1316096), (64, 1254404), (97, 827648), (106, 757376), (122, 658048), (128, 627202), (194, 413824), (212, 378688), (244, 329024), (256, 313601), (388, 206912), (424, 189344), (488, 164512), (776, 103456), (848, 94672), (976, 82256), (1552, 51728), (1696, 47336), (1952, 41128), (3104, 25864), (3233, 24832), (3392, 23668), (3904, 20564), (5141, 15616), (5917, 13568), (6208, 12932), (6466, 12416), (6784, 11834), (7808, 10282)]