39664640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 88

約数和(自身を含む): 97469952

約数和(自身を除く): 57805312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 127, 128, 160, 244, 254, 256, 305, 320, 488, 508, 512, 610, 635, 640, 976, 1016, 1024, 1220, 1270, 1280, 1952, 2032, 2440, 2540, 2560, 3904, 4064, 4880, 5080, 5120, 7747, 7808, 8128, 9760, 10160, 15494, 15616, 16256, 19520, 20320, 30988, 31232, 32512, 38735, 39040, 40640, 61976, 62464, 65024, 77470, 78080, 81280, 123952, 130048, 154940, 156160, 162560, 247904, 309880, 312320, 325120, 495808, 619760, 650240, 991616, 1239520, 1983232, 2479040, 3966464, 4958080, 7932928, 9916160, 19832320, 39664640]

約数ペア:

[(1, 39664640), (2, 19832320), (4, 9916160), (5, 7932928), (8, 4958080), (10, 3966464), (16, 2479040), (20, 1983232), (32, 1239520), (40, 991616), (61, 650240), (64, 619760), (80, 495808), (122, 325120), (127, 312320), (128, 309880), (160, 247904), (244, 162560), (254, 156160), (256, 154940), (305, 130048), (320, 123952), (488, 81280), (508, 78080), (512, 77470), (610, 65024), (635, 62464), (640, 61976), (976, 40640), (1016, 39040), (1024, 38735), (1220, 32512), (1270, 31232), (1280, 30988), (1952, 20320), (2032, 19520), (2440, 16256), (2540, 15616), (2560, 15494), (3904, 10160), (4064, 9760), (4880, 8128), (5080, 7808), (5120, 7747)]