90264640

素因数分解:

$2^6\times 5^1\times {\mathrm{311}}^1\times {\mathrm{907}}^1$

素因数の和:1235

約数の個数: 56

約数和(自身を含む): 215871552

約数和(自身を除く): 125606912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 311, 320, 622, 907, 1244, 1555, 1814, 2488, 3110, 3628, 4535, 4976, 6220, 7256, 9070, 9952, 12440, 14512, 18140, 19904, 24880, 29024, 36280, 49760, 58048, 72560, 99520, 145120, 282077, 290240, 564154, 1128308, 1410385, 2256616, 2820770, 4513232, 5641540, 9026464, 11283080, 18052928, 22566160, 45132320, 90264640]

約数ペア:

[(1, 90264640), (2, 45132320), (4, 22566160), (5, 18052928), (8, 11283080), (10, 9026464), (16, 5641540), (20, 4513232), (32, 2820770), (40, 2256616), (64, 1410385), (80, 1128308), (160, 564154), (311, 290240), (320, 282077), (622, 145120), (907, 99520), (1244, 72560), (1555, 58048), (1814, 49760), (2488, 36280), (3110, 29024), (3628, 24880), (4535, 19904), (4976, 18140), (6220, 14512), (7256, 12440), (9070, 9952)]