39998070

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{21163}}^1$

素因数の和:21186

約数の個数: 64

約数和(自身を含む): 121904640

約数和(自身を除く): 81906570

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 21163, 42326, 63489, 105815, 126978, 148141, 190467, 211630, 296282, 317445, 380934, 444423, 571401, 634890, 740705, 888846, 952335, 1142802, 1333269, 1481410, 1904670, 2222115, 2666538, 2857005, 3999807, 4444230, 5714010, 6666345, 7999614, 13332690, 19999035, 39998070]

約数ペア:

[(1, 39998070), (2, 19999035), (3, 13332690), (5, 7999614), (6, 6666345), (7, 5714010), (9, 4444230), (10, 3999807), (14, 2857005), (15, 2666538), (18, 2222115), (21, 1904670), (27, 1481410), (30, 1333269), (35, 1142802), (42, 952335), (45, 888846), (54, 740705), (63, 634890), (70, 571401), (90, 444423), (105, 380934), (126, 317445), (135, 296282), (189, 211630), (210, 190467), (270, 148141), (315, 126978), (378, 105815), (630, 63489), (945, 42326), (1890, 21163)]