8456240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 21748608

約数和(自身を除く): 13292368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 173, 188, 208, 235, 260, 346, 376, 470, 520, 611, 692, 752, 865, 940, 1040, 1222, 1384, 1730, 1880, 2249, 2444, 2768, 3055, 3460, 3760, 4498, 4888, 6110, 6920, 8131, 8996, 9776, 11245, 12220, 13840, 16262, 17992, 22490, 24440, 32524, 35984, 40655, 44980, 48880, 65048, 81310, 89960, 105703, 130096, 162620, 179920, 211406, 325240, 422812, 528515, 650480, 845624, 1057030, 1691248, 2114060, 4228120, 8456240]

約数ペア:

[(1, 8456240), (2, 4228120), (4, 2114060), (5, 1691248), (8, 1057030), (10, 845624), (13, 650480), (16, 528515), (20, 422812), (26, 325240), (40, 211406), (47, 179920), (52, 162620), (65, 130096), (80, 105703), (94, 89960), (104, 81310), (130, 65048), (173, 48880), (188, 44980), (208, 40655), (235, 35984), (260, 32524), (346, 24440), (376, 22490), (470, 17992), (520, 16262), (611, 13840), (692, 12220), (752, 11245), (865, 9776), (940, 8996), (1040, 8131), (1222, 6920), (1384, 6110), (1730, 4888), (1880, 4498), (2249, 3760), (2444, 3460), (2768, 3055)]