39669980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1583}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 95800320

約数和(自身を除く): 56130340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1583, 1790, 2506, 3166, 3580, 5012, 6265, 6332, 7915, 11081, 12530, 15830, 22162, 25060, 31660, 44324, 55405, 110810, 221620, 283357, 566714, 1133428, 1416785, 1983499, 2833570, 3966998, 5667140, 7933996, 9917495, 19834990, 39669980]

約数ペア:

[(1, 39669980), (2, 19834990), (4, 9917495), (5, 7933996), (7, 5667140), (10, 3966998), (14, 2833570), (20, 1983499), (28, 1416785), (35, 1133428), (70, 566714), (140, 283357), (179, 221620), (358, 110810), (716, 55405), (895, 44324), (1253, 31660), (1583, 25060), (1790, 22162), (2506, 15830), (3166, 12530), (3580, 11081), (5012, 7915), (6265, 6332)]