1956880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:475

約数の個数: 40

約数和(自身を含む): 4635864

約数和(自身を除く): 2678984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 401, 488, 610, 802, 976, 1220, 1604, 2005, 2440, 3208, 4010, 4880, 6416, 8020, 16040, 24461, 32080, 48922, 97844, 122305, 195688, 244610, 391376, 489220, 978440, 1956880]

約数ペア:

[(1, 1956880), (2, 978440), (4, 489220), (5, 391376), (8, 244610), (10, 195688), (16, 122305), (20, 97844), (40, 48922), (61, 32080), (80, 24461), (122, 16040), (244, 8020), (305, 6416), (401, 4880), (488, 4010), (610, 3208), (802, 2440), (976, 2005), (1220, 1604)]