63921040

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3109}}^1$

素因数の和:3379

約数の個数: 40

約数和(自身を含む): 149242680

約数和(自身を除く): 85321640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 3109, 4112, 5140, 6218, 10280, 12436, 15545, 20560, 24872, 31090, 49744, 62180, 124360, 248720, 799013, 1598026, 3196052, 3995065, 6392104, 7990130, 12784208, 15980260, 31960520, 63921040]

約数ペア:

[(1, 63921040), (2, 31960520), (4, 15980260), (5, 12784208), (8, 7990130), (10, 6392104), (16, 3995065), (20, 3196052), (40, 1598026), (80, 799013), (257, 248720), (514, 124360), (1028, 62180), (1285, 49744), (2056, 31090), (2570, 24872), (3109, 20560), (4112, 15545), (5140, 12436), (6218, 10280)]