80028416

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 174271440

約数和(自身を除く): 94243024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 139, 173, 208, 256, 278, 346, 416, 556, 692, 832, 1112, 1384, 1664, 1807, 2224, 2249, 2768, 3328, 3614, 4448, 4498, 5536, 7228, 8896, 8996, 11072, 14456, 17792, 17992, 22144, 24047, 28912, 35584, 35984, 44288, 48094, 57824, 71968, 96188, 115648, 143936, 192376, 231296, 287872, 312611, 384752, 462592, 575744, 625222, 769504, 1250444, 1539008, 2500888, 3078016, 5001776, 6156032, 10003552, 20007104, 40014208, 80028416]

約数ペア:

[(1, 80028416), (2, 40014208), (4, 20007104), (8, 10003552), (13, 6156032), (16, 5001776), (26, 3078016), (32, 2500888), (52, 1539008), (64, 1250444), (104, 769504), (128, 625222), (139, 575744), (173, 462592), (208, 384752), (256, 312611), (278, 287872), (346, 231296), (416, 192376), (556, 143936), (692, 115648), (832, 96188), (1112, 71968), (1384, 57824), (1664, 48094), (1807, 44288), (2224, 35984), (2249, 35584), (2768, 28912), (3328, 24047), (3614, 22144), (4448, 17992), (4498, 17792), (5536, 14456), (7228, 11072), (8896, 8996)]