47980160

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1$

素因数の和:1309

約数の個数: 64

約数和(自身を含む): 116677800

約数和(自身を除く): 68697640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1229, 1952, 2440, 2458, 3904, 4880, 4916, 6145, 7808, 9760, 9832, 12290, 19520, 19664, 24580, 39040, 39328, 49160, 74969, 78656, 98320, 149938, 157312, 196640, 299876, 374845, 393280, 599752, 749690, 786560, 1199504, 1499380, 2399008, 2998760, 4798016, 5997520, 9596032, 11995040, 23990080, 47980160]

約数ペア:

[(1, 47980160), (2, 23990080), (4, 11995040), (5, 9596032), (8, 5997520), (10, 4798016), (16, 2998760), (20, 2399008), (32, 1499380), (40, 1199504), (61, 786560), (64, 749690), (80, 599752), (122, 393280), (128, 374845), (160, 299876), (244, 196640), (305, 157312), (320, 149938), (488, 98320), (610, 78656), (640, 74969), (976, 49160), (1220, 39328), (1229, 39040), (1952, 24580), (2440, 19664), (2458, 19520), (3904, 12290), (4880, 9832), (4916, 9760), (6145, 7808)]