27864040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 67599360

約数和(自身を除く): 39735320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 977, 1240, 1426, 1954, 2852, 3565, 3908, 4885, 5704, 7130, 7816, 9770, 14260, 19540, 22471, 28520, 30287, 39080, 44942, 60574, 89884, 112355, 121148, 151435, 179768, 224710, 242296, 302870, 449420, 605740, 696601, 898840, 1211480, 1393202, 2786404, 3483005, 5572808, 6966010, 13932020, 27864040]

約数ペア:

[(1, 27864040), (2, 13932020), (4, 6966010), (5, 5572808), (8, 3483005), (10, 2786404), (20, 1393202), (23, 1211480), (31, 898840), (40, 696601), (46, 605740), (62, 449420), (92, 302870), (115, 242296), (124, 224710), (155, 179768), (184, 151435), (230, 121148), (248, 112355), (310, 89884), (460, 60574), (620, 44942), (713, 39080), (920, 30287), (977, 28520), (1240, 22471), (1426, 19540), (1954, 14260), (2852, 9770), (3565, 7816), (3908, 7130), (4885, 5704)]