16521760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3331}}^1$

素因数の和:3377

約数の個数: 48

約数和(自身を含む): 40303872

約数和(自身を除く): 23782112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 3331, 4960, 6662, 13324, 16655, 26648, 33310, 53296, 66620, 103261, 106592, 133240, 206522, 266480, 413044, 516305, 532960, 826088, 1032610, 1652176, 2065220, 3304352, 4130440, 8260880, 16521760]

約数ペア:

[(1, 16521760), (2, 8260880), (4, 4130440), (5, 3304352), (8, 2065220), (10, 1652176), (16, 1032610), (20, 826088), (31, 532960), (32, 516305), (40, 413044), (62, 266480), (80, 206522), (124, 133240), (155, 106592), (160, 103261), (248, 66620), (310, 53296), (496, 33310), (620, 26648), (992, 16655), (1240, 13324), (2480, 6662), (3331, 4960)]