4211440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:937

約数の個数: 40

約数和(自身を含む): 9963648

約数和(自身を除く): 5752208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 863, 976, 1220, 1726, 2440, 3452, 4315, 4880, 6904, 8630, 13808, 17260, 34520, 52643, 69040, 105286, 210572, 263215, 421144, 526430, 842288, 1052860, 2105720, 4211440]

約数ペア:

[(1, 4211440), (2, 2105720), (4, 1052860), (5, 842288), (8, 526430), (10, 421144), (16, 263215), (20, 210572), (40, 105286), (61, 69040), (80, 52643), (122, 34520), (244, 17260), (305, 13808), (488, 8630), (610, 6904), (863, 4880), (976, 4315), (1220, 3452), (1726, 2440)]