25600480

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 62918856

約数和(自身を除く): 37318376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 61, 80, 86, 122, 160, 172, 215, 244, 305, 344, 430, 488, 610, 688, 860, 976, 1220, 1376, 1720, 1952, 2440, 2623, 3440, 3721, 4880, 5246, 6880, 7442, 9760, 10492, 13115, 14884, 18605, 20984, 26230, 29768, 37210, 41968, 52460, 59536, 74420, 83936, 104920, 119072, 148840, 160003, 209840, 297680, 320006, 419680, 595360, 640012, 800015, 1280024, 1600030, 2560048, 3200060, 5120096, 6400120, 12800240, 25600480]

約数ペア:

[(1, 25600480), (2, 12800240), (4, 6400120), (5, 5120096), (8, 3200060), (10, 2560048), (16, 1600030), (20, 1280024), (32, 800015), (40, 640012), (43, 595360), (61, 419680), (80, 320006), (86, 297680), (122, 209840), (160, 160003), (172, 148840), (215, 119072), (244, 104920), (305, 83936), (344, 74420), (430, 59536), (488, 52460), (610, 41968), (688, 37210), (860, 29768), (976, 26230), (1220, 20984), (1376, 18605), (1720, 14884), (1952, 13115), (2440, 10492), (2623, 9760), (3440, 7442), (3721, 6880), (4880, 5246)]