81760576

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:351

約数の個数: 56

約数和(自身を含む): 166949120

約数和(自身を除く): 85188544

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 103, 157, 158, 206, 314, 316, 412, 628, 632, 824, 1256, 1264, 1648, 2512, 2528, 3296, 5024, 5056, 6592, 8137, 10048, 12403, 16171, 16274, 24806, 32342, 32548, 49612, 64684, 65096, 99224, 129368, 130192, 198448, 258736, 260384, 396896, 517472, 520768, 793792, 1034944, 1277509, 2555018, 5110036, 10220072, 20440144, 40880288, 81760576]

約数ペア:

[(1, 81760576), (2, 40880288), (4, 20440144), (8, 10220072), (16, 5110036), (32, 2555018), (64, 1277509), (79, 1034944), (103, 793792), (157, 520768), (158, 517472), (206, 396896), (314, 260384), (316, 258736), (412, 198448), (628, 130192), (632, 129368), (824, 99224), (1256, 65096), (1264, 64684), (1648, 49612), (2512, 32548), (2528, 32342), (3296, 24806), (5024, 16274), (5056, 16171), (6592, 12403), (8137, 10048)]