31721300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1877}}^1$

素因数の和:1917

約数の個数: 54

約数和(自身を含む): 74577258

約数和(自身を除く): 42855958

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 845, 1300, 1690, 1877, 3380, 3754, 4225, 7508, 8450, 9385, 16900, 18770, 24401, 37540, 46925, 48802, 93850, 97604, 122005, 187700, 244010, 317213, 488020, 610025, 634426, 1220050, 1268852, 1586065, 2440100, 3172130, 6344260, 7930325, 15860650, 31721300]

約数ペア:

[(1, 31721300), (2, 15860650), (4, 7930325), (5, 6344260), (10, 3172130), (13, 2440100), (20, 1586065), (25, 1268852), (26, 1220050), (50, 634426), (52, 610025), (65, 488020), (100, 317213), (130, 244010), (169, 187700), (260, 122005), (325, 97604), (338, 93850), (650, 48802), (676, 46925), (845, 37540), (1300, 24401), (1690, 18770), (1877, 16900), (3380, 9385), (3754, 8450), (4225, 7508)]