201639320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173827}}^1$

素因数の和:173867

約数の個数: 32

約数和(自身を含む): 469335600

約数和(自身を除く): 267696280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 173827, 347654, 695308, 869135, 1390616, 1738270, 3476540, 5040983, 6953080, 10081966, 20163932, 25204915, 40327864, 50409830, 100819660, 201639320]

約数ペア:

[(1, 201639320), (2, 100819660), (4, 50409830), (5, 40327864), (8, 25204915), (10, 20163932), (20, 10081966), (29, 6953080), (40, 5040983), (58, 3476540), (116, 1738270), (145, 1390616), (232, 869135), (290, 695308), (580, 347654), (1160, 173827)]