38989720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12659}}^1$

素因数の和:12688

約数の個数: 64

約数和(自身を含む): 109382400

約数和(自身を除く): 70392680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 12659, 25318, 50636, 63295, 88613, 101272, 126590, 139249, 177226, 253180, 278498, 354452, 443065, 506360, 556996, 696245, 708904, 886130, 974743, 1113992, 1392490, 1772260, 1949486, 2784980, 3544520, 3898972, 4873715, 5569960, 7797944, 9747430, 19494860, 38989720]

約数ペア:

[(1, 38989720), (2, 19494860), (4, 9747430), (5, 7797944), (7, 5569960), (8, 4873715), (10, 3898972), (11, 3544520), (14, 2784980), (20, 1949486), (22, 1772260), (28, 1392490), (35, 1113992), (40, 974743), (44, 886130), (55, 708904), (56, 696245), (70, 556996), (77, 506360), (88, 443065), (110, 354452), (140, 278498), (154, 253180), (220, 177226), (280, 139249), (308, 126590), (385, 101272), (440, 88613), (616, 63295), (770, 50636), (1540, 25318), (3080, 12659)]