40159840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1604

約数の個数: 96

約数和(自身を含む): 113218560

約数和(自身を除く): 73058720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1559, 1610, 1840, 2576, 3118, 3220, 3680, 5152, 6236, 6440, 7795, 10913, 12472, 12880, 15590, 21826, 24944, 25760, 31180, 35857, 43652, 49888, 54565, 62360, 71714, 87304, 109130, 124720, 143428, 174608, 179285, 218260, 249440, 250999, 286856, 349216, 358570, 436520, 501998, 573712, 717140, 873040, 1003996, 1147424, 1254995, 1434280, 1746080, 2007992, 2509990, 2868560, 4015984, 5019980, 5737120, 8031968, 10039960, 20079920, 40159840]

約数ペア:

[(1, 40159840), (2, 20079920), (4, 10039960), (5, 8031968), (7, 5737120), (8, 5019980), (10, 4015984), (14, 2868560), (16, 2509990), (20, 2007992), (23, 1746080), (28, 1434280), (32, 1254995), (35, 1147424), (40, 1003996), (46, 873040), (56, 717140), (70, 573712), (80, 501998), (92, 436520), (112, 358570), (115, 349216), (140, 286856), (160, 250999), (161, 249440), (184, 218260), (224, 179285), (230, 174608), (280, 143428), (322, 124720), (368, 109130), (460, 87304), (560, 71714), (644, 62360), (736, 54565), (805, 49888), (920, 43652), (1120, 35857), (1288, 31180), (1559, 25760), (1610, 24944), (1840, 21826), (2576, 15590), (3118, 12880), (3220, 12472), (3680, 10913), (5152, 7795), (6236, 6440)]