39897760

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{727}}^1$

素因数の和:763

約数の個数: 96

約数和(自身を含む): 110073600

約数和(自身を除く): 70175840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 727, 784, 980, 1120, 1372, 1454, 1568, 1715, 1960, 2744, 2908, 3430, 3635, 3920, 5089, 5488, 5816, 6860, 7270, 7840, 10178, 10976, 11632, 13720, 14540, 20356, 23264, 25445, 27440, 29080, 35623, 40712, 50890, 54880, 58160, 71246, 81424, 101780, 116320, 142492, 162848, 178115, 203560, 249361, 284984, 356230, 407120, 498722, 569968, 712460, 814240, 997444, 1139936, 1246805, 1424920, 1994888, 2493610, 2849840, 3989776, 4987220, 5699680, 7979552, 9974440, 19948880, 39897760]

約数ペア:

[(1, 39897760), (2, 19948880), (4, 9974440), (5, 7979552), (7, 5699680), (8, 4987220), (10, 3989776), (14, 2849840), (16, 2493610), (20, 1994888), (28, 1424920), (32, 1246805), (35, 1139936), (40, 997444), (49, 814240), (56, 712460), (70, 569968), (80, 498722), (98, 407120), (112, 356230), (140, 284984), (160, 249361), (196, 203560), (224, 178115), (245, 162848), (280, 142492), (343, 116320), (392, 101780), (490, 81424), (560, 71246), (686, 58160), (727, 54880), (784, 50890), (980, 40712), (1120, 35623), (1372, 29080), (1454, 27440), (1568, 25445), (1715, 23264), (1960, 20356), (2744, 14540), (2908, 13720), (3430, 11632), (3635, 10976), (3920, 10178), (5089, 7840), (5488, 7270), (5816, 6860)]