16520199680

素因数分解:

$2^9\times 5^1\times {\mathrm{617}}^1\times {\mathrm{10459}}^1$

素因数の和:11099

約数の個数: 80

約数和(自身を含む): 39677750640

約数和(自身を除く): 23157550960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 617, 640, 1234, 1280, 2468, 2560, 3085, 4936, 6170, 9872, 10459, 12340, 19744, 20918, 24680, 39488, 41836, 49360, 52295, 78976, 83672, 98720, 104590, 157952, 167344, 197440, 209180, 315904, 334688, 394880, 418360, 669376, 789760, 836720, 1338752, 1579520, 1673440, 2677504, 3346880, 5355008, 6453203, 6693760, 12906406, 13387520, 25812812, 26775040, 32266015, 51625624, 64532030, 103251248, 129064060, 206502496, 258128120, 413004992, 516256240, 826009984, 1032512480, 1652019968, 2065024960, 3304039936, 4130049920, 8260099840, 16520199680]

約数ペア:

[(1, 16520199680), (2, 8260099840), (4, 4130049920), (5, 3304039936), (8, 2065024960), (10, 1652019968), (16, 1032512480), (20, 826009984), (32, 516256240), (40, 413004992), (64, 258128120), (80, 206502496), (128, 129064060), (160, 103251248), (256, 64532030), (320, 51625624), (512, 32266015), (617, 26775040), (640, 25812812), (1234, 13387520), (1280, 12906406), (2468, 6693760), (2560, 6453203), (3085, 5355008), (4936, 3346880), (6170, 2677504), (9872, 1673440), (10459, 1579520), (12340, 1338752), (19744, 836720), (20918, 789760), (24680, 669376), (39488, 418360), (41836, 394880), (49360, 334688), (52295, 315904), (78976, 209180), (83672, 197440), (98720, 167344), (104590, 157952)]