100438880

素因数分解:

$2^5\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1289}}^1$

素因数の和:1791

約数の個数: 48

約数和(自身を含む): 237958560

約数和(自身を除く): 137519680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487, 974, 1289, 1948, 2435, 2578, 3896, 4870, 5156, 6445, 7792, 9740, 10312, 12890, 15584, 19480, 20624, 25780, 38960, 41248, 51560, 77920, 103120, 206240, 627743, 1255486, 2510972, 3138715, 5021944, 6277430, 10043888, 12554860, 20087776, 25109720, 50219440, 100438880]

約数ペア:

[(1, 100438880), (2, 50219440), (4, 25109720), (5, 20087776), (8, 12554860), (10, 10043888), (16, 6277430), (20, 5021944), (32, 3138715), (40, 2510972), (80, 1255486), (160, 627743), (487, 206240), (974, 103120), (1289, 77920), (1948, 51560), (2435, 41248), (2578, 38960), (3896, 25780), (4870, 20624), (5156, 19480), (6445, 15584), (7792, 12890), (9740, 10312)]