202163440

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{5189}}^1$

素因数の和:5689

約数の個数: 40

約数和(自身を含む): 471085920

約数和(自身を除く): 268922480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1948, 2435, 3896, 4870, 5189, 7792, 9740, 10378, 19480, 20756, 25945, 38960, 41512, 51890, 83024, 103780, 207560, 415120, 2527043, 5054086, 10108172, 12635215, 20216344, 25270430, 40432688, 50540860, 101081720, 202163440]

約数ペア:

[(1, 202163440), (2, 101081720), (4, 50540860), (5, 40432688), (8, 25270430), (10, 20216344), (16, 12635215), (20, 10108172), (40, 5054086), (80, 2527043), (487, 415120), (974, 207560), (1948, 103780), (2435, 83024), (3896, 51890), (4870, 41512), (5189, 38960), (7792, 25945), (9740, 20756), (10378, 19480)]