28243120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1093}}^1$

素因数の和:1142

約数の個数: 80

約数和(自身を含む): 73254240

約数和(自身を除く): 45011120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1093, 1292, 1360, 1520, 1615, 2186, 2584, 3230, 4372, 5168, 5465, 6460, 8744, 10930, 12920, 17488, 18581, 20767, 21860, 25840, 37162, 41534, 43720, 74324, 83068, 87440, 92905, 103835, 148648, 166136, 185810, 207670, 297296, 332272, 353039, 371620, 415340, 706078, 743240, 830680, 1412156, 1486480, 1661360, 1765195, 2824312, 3530390, 5648624, 7060780, 14121560, 28243120]

約数ペア:

[(1, 28243120), (2, 14121560), (4, 7060780), (5, 5648624), (8, 3530390), (10, 2824312), (16, 1765195), (17, 1661360), (19, 1486480), (20, 1412156), (34, 830680), (38, 743240), (40, 706078), (68, 415340), (76, 371620), (80, 353039), (85, 332272), (95, 297296), (136, 207670), (152, 185810), (170, 166136), (190, 148648), (272, 103835), (304, 92905), (323, 87440), (340, 83068), (380, 74324), (646, 43720), (680, 41534), (760, 37162), (1093, 25840), (1292, 21860), (1360, 20767), (1520, 18581), (1615, 17488), (2186, 12920), (2584, 10930), (3230, 8744), (4372, 6460), (5168, 5465)]