25610240

素因数分解:

$2^{11}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 63980280

約数和(自身を除く): 38370040

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, 1024, 1220, 1280, 1312, 1640, 1952, 2048, 2440, 2501, 2560, 2624, 3280, 3904, 4880, 5002, 5120, 5248, 6560, 7808, 9760, 10004, 10240, 10496, 12505, 13120, 15616, 19520, 20008, 20992, 25010, 26240, 31232, 39040, 40016, 41984, 50020, 52480, 62464, 78080, 80032, 83968, 100040, 104960, 124928, 156160, 160064, 200080, 209920, 312320, 320128, 400160, 419840, 624640, 640256, 800320, 1280512, 1600640, 2561024, 3201280, 5122048, 6402560, 12805120, 25610240]

約数ペア:

[(1, 25610240), (2, 12805120), (4, 6402560), (5, 5122048), (8, 3201280), (10, 2561024), (16, 1600640), (20, 1280512), (32, 800320), (40, 640256), (41, 624640), (61, 419840), (64, 400160), (80, 320128), (82, 312320), (122, 209920), (128, 200080), (160, 160064), (164, 156160), (205, 124928), (244, 104960), (256, 100040), (305, 83968), (320, 80032), (328, 78080), (410, 62464), (488, 52480), (512, 50020), (610, 41984), (640, 40016), (656, 39040), (820, 31232), (976, 26240), (1024, 25010), (1220, 20992), (1280, 20008), (1312, 19520), (1640, 15616), (1952, 13120), (2048, 12505), (2440, 10496), (2501, 10240), (2560, 10004), (2624, 9760), (3280, 7808), (3904, 6560), (4880, 5248), (5002, 5120)]