66173680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15607}}^1$

素因数の和:15673

約数の個数: 40

約数和(自身を含む): 156766752

約数和(自身を除く): 90593072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 15607, 31214, 62428, 78035, 124856, 156070, 249712, 312140, 624280, 827171, 1248560, 1654342, 3308684, 4135855, 6617368, 8271710, 13234736, 16543420, 33086840, 66173680]

約数ペア:

[(1, 66173680), (2, 33086840), (4, 16543420), (5, 13234736), (8, 8271710), (10, 6617368), (16, 4135855), (20, 3308684), (40, 1654342), (53, 1248560), (80, 827171), (106, 624280), (212, 312140), (265, 249712), (424, 156070), (530, 124856), (848, 78035), (1060, 62428), (2120, 31214), (4240, 15607)]