47938540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1091}}^1$

素因数の和:1139

約数の個数: 48

約数和(自身を含む): 109156320

約数和(自身を除く): 61217780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1091, 1690, 2182, 2197, 3380, 4364, 4394, 5455, 8788, 10910, 10985, 14183, 21820, 21970, 28366, 43940, 56732, 70915, 141830, 184379, 283660, 368758, 737516, 921895, 1843790, 2396927, 3687580, 4793854, 9587708, 11984635, 23969270, 47938540]

約数ペア:

[(1, 47938540), (2, 23969270), (4, 11984635), (5, 9587708), (10, 4793854), (13, 3687580), (20, 2396927), (26, 1843790), (52, 921895), (65, 737516), (130, 368758), (169, 283660), (260, 184379), (338, 141830), (676, 70915), (845, 56732), (1091, 43940), (1690, 28366), (2182, 21970), (2197, 21820), (3380, 14183), (4364, 10985), (4394, 10910), (5455, 8788)]