138838720

素因数分解:

$2^6\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1601}}^1$

素因数の和:1889

約数の個数: 56

約数和(自身を含む): 332036928

約数和(自身を除く): 193198208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 271, 320, 542, 1084, 1355, 1601, 2168, 2710, 3202, 4336, 5420, 6404, 8005, 8672, 10840, 12808, 16010, 17344, 21680, 25616, 32020, 43360, 51232, 64040, 86720, 102464, 128080, 256160, 433871, 512320, 867742, 1735484, 2169355, 3470968, 4338710, 6941936, 8677420, 13883872, 17354840, 27767744, 34709680, 69419360, 138838720]

約数ペア:

[(1, 138838720), (2, 69419360), (4, 34709680), (5, 27767744), (8, 17354840), (10, 13883872), (16, 8677420), (20, 6941936), (32, 4338710), (40, 3470968), (64, 2169355), (80, 1735484), (160, 867742), (271, 512320), (320, 433871), (542, 256160), (1084, 128080), (1355, 102464), (1601, 86720), (2168, 64040), (2710, 51232), (3202, 43360), (4336, 32020), (5420, 25616), (6404, 21680), (8005, 17344), (8672, 16010), (10840, 12808)]