6402560

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 80

約数和(自身を含む): 15983352

約数和(自身を除く): 9580792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 61, 64, 80, 82, 122, 128, 160, 164, 205, 244, 256, 305, 320, 328, 410, 488, 512, 610, 640, 656, 820, 976, 1220, 1280, 1312, 1640, 1952, 2440, 2501, 2560, 2624, 3280, 3904, 4880, 5002, 5248, 6560, 7808, 9760, 10004, 10496, 12505, 13120, 15616, 19520, 20008, 20992, 25010, 26240, 31232, 39040, 40016, 50020, 52480, 78080, 80032, 100040, 104960, 156160, 160064, 200080, 320128, 400160, 640256, 800320, 1280512, 1600640, 3201280, 6402560]

約数ペア:

[(1, 6402560), (2, 3201280), (4, 1600640), (5, 1280512), (8, 800320), (10, 640256), (16, 400160), (20, 320128), (32, 200080), (40, 160064), (41, 156160), (61, 104960), (64, 100040), (80, 80032), (82, 78080), (122, 52480), (128, 50020), (160, 40016), (164, 39040), (205, 31232), (244, 26240), (256, 25010), (305, 20992), (320, 20008), (328, 19520), (410, 15616), (488, 13120), (512, 12505), (610, 10496), (640, 10004), (656, 9760), (820, 7808), (976, 6560), (1220, 5248), (1280, 5002), (1312, 4880), (1640, 3904), (1952, 3280), (2440, 2624), (2501, 2560)]