8705120

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1327}}^1$

素因数の和:1383

約数の個数: 48

約数和(自身を含む): 21083328

約数和(自身を除く): 12378208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1327, 1640, 2654, 3280, 5308, 6560, 6635, 10616, 13270, 21232, 26540, 42464, 53080, 54407, 106160, 108814, 212320, 217628, 272035, 435256, 544070, 870512, 1088140, 1741024, 2176280, 4352560, 8705120]

約数ペア:

[(1, 8705120), (2, 4352560), (4, 2176280), (5, 1741024), (8, 1088140), (10, 870512), (16, 544070), (20, 435256), (32, 272035), (40, 217628), (41, 212320), (80, 108814), (82, 106160), (160, 54407), (164, 53080), (205, 42464), (328, 26540), (410, 21232), (656, 13270), (820, 10616), (1312, 6635), (1327, 6560), (1640, 5308), (2654, 3280)]