38650120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1054

約数の個数: 64

約数和(自身を含む): 92949120

約数和(自身を除く): 54299000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 977, 989, 1720, 1954, 1978, 3908, 3956, 4885, 4945, 7816, 7912, 9770, 9890, 19540, 19780, 22471, 39080, 39560, 42011, 44942, 84022, 89884, 112355, 168044, 179768, 210055, 224710, 336088, 420110, 449420, 840220, 898840, 966253, 1680440, 1932506, 3865012, 4831265, 7730024, 9662530, 19325060, 38650120]

約数ペア:

[(1, 38650120), (2, 19325060), (4, 9662530), (5, 7730024), (8, 4831265), (10, 3865012), (20, 1932506), (23, 1680440), (40, 966253), (43, 898840), (46, 840220), (86, 449420), (92, 420110), (115, 336088), (172, 224710), (184, 210055), (215, 179768), (230, 168044), (344, 112355), (430, 89884), (460, 84022), (860, 44942), (920, 42011), (977, 39560), (989, 39080), (1720, 22471), (1954, 19780), (1978, 19540), (3908, 9890), (3956, 9770), (4885, 7912), (4945, 7816)]