25928660

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 56527632

約数和(自身を除く): 30598972

約数列:

[1, 2, 4, 5, 10, 20, 53, 61, 106, 122, 212, 244, 265, 305, 401, 530, 610, 802, 1060, 1220, 1604, 2005, 3233, 4010, 6466, 8020, 12932, 16165, 21253, 24461, 32330, 42506, 48922, 64660, 85012, 97844, 106265, 122305, 212530, 244610, 425060, 489220, 1296433, 2592866, 5185732, 6482165, 12964330, 25928660]

約数ペア:

[(1, 25928660), (2, 12964330), (4, 6482165), (5, 5185732), (10, 2592866), (20, 1296433), (53, 489220), (61, 425060), (106, 244610), (122, 212530), (212, 122305), (244, 106265), (265, 97844), (305, 85012), (401, 64660), (530, 48922), (610, 42506), (802, 32330), (1060, 24461), (1220, 21253), (1604, 16165), (2005, 12932), (3233, 8020), (4010, 6466)]