9784400

素因数分解:

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

素因数の和:480

約数の個数: 60

約数和(自身を含む): 23951964

約数和(自身を除く): 14167564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 401, 488, 610, 802, 976, 1220, 1525, 1604, 2005, 2440, 3050, 3208, 4010, 4880, 6100, 6416, 8020, 10025, 12200, 16040, 20050, 24400, 24461, 32080, 40100, 48922, 80200, 97844, 122305, 160400, 195688, 244610, 391376, 489220, 611525, 978440, 1223050, 1956880, 2446100, 4892200, 9784400]

約数ペア:

[(1, 9784400), (2, 4892200), (4, 2446100), (5, 1956880), (8, 1223050), (10, 978440), (16, 611525), (20, 489220), (25, 391376), (40, 244610), (50, 195688), (61, 160400), (80, 122305), (100, 97844), (122, 80200), (200, 48922), (244, 40100), (305, 32080), (400, 24461), (401, 24400), (488, 20050), (610, 16040), (802, 12200), (976, 10025), (1220, 8020), (1525, 6416), (1604, 6100), (2005, 4880), (2440, 4010), (3050, 3208)]