284067440

素因数分解:

$2^4\times 5^1\times {\mathrm{3550843}}^1$

素因数の和:3550856

約数の個数: 20

約数和(自身を含む): 660456984

約数和(自身を除く): 376389544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3550843, 7101686, 14203372, 17754215, 28406744, 35508430, 56813488, 71016860, 142033720, 284067440]

約数ペア:

[(1, 284067440), (2, 142033720), (4, 71016860), (5, 56813488), (8, 35508430), (10, 28406744), (16, 17754215), (20, 14203372), (40, 7101686), (80, 3550843)]