51106360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{691}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 117896040

約数和(自身を除く): 66789680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 691, 860, 1382, 1720, 1849, 2764, 3455, 3698, 5528, 6910, 7396, 9245, 13820, 14792, 18490, 27640, 29713, 36980, 59426, 73960, 118852, 148565, 237704, 297130, 594260, 1188520, 1277659, 2555318, 5110636, 6388295, 10221272, 12776590, 25553180, 51106360]

約数ペア:

[(1, 51106360), (2, 25553180), (4, 12776590), (5, 10221272), (8, 6388295), (10, 5110636), (20, 2555318), (40, 1277659), (43, 1188520), (86, 594260), (172, 297130), (215, 237704), (344, 148565), (430, 118852), (691, 73960), (860, 59426), (1382, 36980), (1720, 29713), (1849, 27640), (2764, 18490), (3455, 14792), (3698, 13820), (5528, 9245), (6910, 7396)]